/* ========================================
   RAVI BYAKOD - PROFESSIONAL PORTFOLIO v2
   Modern, Responsive CSS Styles
   ======================================== */

/* CSS Variables */
:root,
html[data-theme="mindbox"] {
    --bg-primary: #0f0e26;
    --bg-secondary: #17143a;
    --bg-tertiary: #211d4b;
    --bg-card: #17143a;
    --bg-card-hover: #221e4d;

    --text-primary: #e8e6ff;
    --text-secondary: #b7b0e6;
    --text-muted: #817aa8;

    --accent-primary: #5b3ffa;
    --accent-secondary: #a855f7;
    --accent-tertiary: #00d4c8;
    --accent-contrast: #f7f5ff;
    --accent-gradient: linear-gradient(135deg, #5b3ffa 0%, #a855f7 55%, #00d4c8 100%);
    --accent-glow: rgba(91, 63, 250, 0.3);

    --nav-background: rgba(15, 14, 38, 0.82);
    --nav-background-solid: rgba(15, 14, 38, 0.96);
    --surface-subtle: rgba(232, 230, 255, 0.05);
    --surface-border: rgba(232, 230, 255, 0.08);
    --surface-border-input: rgba(232, 230, 255, 0.16);
    --surface-border-strong: rgba(232, 230, 255, 0.24);
    --accent-soft: rgba(91, 63, 250, 0.12);
    --accent-soft-strong: rgba(91, 63, 250, 0.2);
    --accent-soft-alt: rgba(91, 63, 250, 0.16);
    --accent-outline: rgba(91, 63, 250, 0.35);
    --accent-gradient-soft: linear-gradient(135deg, rgba(91, 63, 250, 0.14) 0%, rgba(168, 85, 247, 0.14) 100%);
    --accent-gradient-strong: linear-gradient(135deg, rgba(91, 63, 250, 0.28), rgba(0, 212, 200, 0.28));
    --text-gradient-start: #f7f5ff;
    --text-gradient-end: #b7b0e6;
    --button-shadow: 0 4px 15px rgba(91, 63, 250, 0.35);
    --button-shadow-hover: 0 6px 20px rgba(91, 63, 250, 0.48);
    --focus-ring: rgba(91, 63, 250, 0.16);
    --icon-muted: rgba(232, 230, 255, 0.55);
    --overlay-backdrop: rgba(6, 8, 24, 0.78);
    --hero-orb-3: #a855f7;

    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.22);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.24);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.28);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.34);
    --shadow-glow: 0 0 40px var(--accent-glow);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

html[data-theme="festive"] {
    --bg-primary: #f0e4d4;
    --bg-secondary: #ead9c4;
    --bg-tertiary: #fffaf3;
    --bg-card: #f7ece0;
    --bg-card-hover: #f2e1d0;
    --text-primary: #1b0b07;
    --text-secondary: #5c372c;
    --text-muted: #7a4f42;
    --accent-primary: #b94b4b;
    --accent-secondary: #d16b4f;
    --accent-tertiary: #f0b35c;
    --accent-contrast: #fffaf3;
    --accent-gradient: linear-gradient(135deg, #b94b4b 0%, #d16b4f 55%, #f0b35c 100%);
    --accent-glow: rgba(185, 75, 75, 0.22);
    --nav-background: rgba(247, 236, 224, 0.84);
    --nav-background-solid: rgba(247, 236, 224, 0.96);
    --surface-subtle: rgba(59, 34, 27, 0.04);
    --surface-border: rgba(59, 34, 27, 0.12);
    --surface-border-input: rgba(59, 34, 27, 0.18);
    --surface-border-strong: rgba(59, 34, 27, 0.28);
    --accent-soft: rgba(185, 75, 75, 0.12);
    --accent-soft-strong: rgba(185, 75, 75, 0.22);
    --accent-soft-alt: rgba(185, 75, 75, 0.16);
    --accent-outline: rgba(185, 75, 75, 0.32);
    --accent-gradient-soft: linear-gradient(135deg, rgba(185, 75, 75, 0.12) 0%, rgba(240, 179, 92, 0.16) 100%);
    --accent-gradient-strong: linear-gradient(135deg, rgba(185, 75, 75, 0.24), rgba(240, 179, 92, 0.24));
    --text-gradient-start: #3b221b;
    --text-gradient-end: #7a4f42;
    --button-shadow: 0 4px 15px rgba(185, 75, 75, 0.22);
    --button-shadow-hover: 0 6px 20px rgba(185, 75, 75, 0.3);
    --focus-ring: rgba(185, 75, 75, 0.14);
    --icon-muted: rgba(59, 34, 27, 0.48);
    --overlay-backdrop: rgba(36, 18, 16, 0.72);
    --hero-orb-3: #f0b35c;
}

html[data-theme="navy"] {
    --bg-primary: #e2e8f0;
    --bg-secondary: #d9e2ec;
    --bg-tertiary: #f8fafc;
    --bg-card: #edf1f5;
    --bg-card-hover: #e2e8f0;
    --text-primary: #0f1722;
    --text-secondary: #3a4a5e;
    --text-muted: #64748b;
    --accent-primary: #2563a8;
    --accent-secondary: #3b82f6;
    --accent-tertiary: #4fd1c5;
    --accent-contrast: #f8fafc;
    --accent-gradient: linear-gradient(135deg, #2563a8 0%, #3b82f6 55%, #4fd1c5 100%);
    --accent-glow: rgba(37, 99, 168, 0.22);
    --nav-background: rgba(237, 241, 245, 0.84);
    --nav-background-solid: rgba(237, 241, 245, 0.96);
    --surface-subtle: rgba(26, 35, 50, 0.04);
    --surface-border: rgba(26, 35, 50, 0.12);
    --surface-border-input: rgba(26, 35, 50, 0.18);
    --surface-border-strong: rgba(26, 35, 50, 0.26);
    --accent-soft: rgba(37, 99, 168, 0.11);
    --accent-soft-strong: rgba(37, 99, 168, 0.2);
    --accent-soft-alt: rgba(37, 99, 168, 0.15);
    --accent-outline: rgba(37, 99, 168, 0.3);
    --accent-gradient-soft: linear-gradient(135deg, rgba(37, 99, 168, 0.11) 0%, rgba(79, 209, 197, 0.16) 100%);
    --accent-gradient-strong: linear-gradient(135deg, rgba(37, 99, 168, 0.22), rgba(79, 209, 197, 0.22));
    --text-gradient-start: #1a2332;
    --text-gradient-end: #64748b;
    --button-shadow: 0 4px 15px rgba(37, 99, 168, 0.2);
    --button-shadow-hover: 0 6px 20px rgba(37, 99, 168, 0.28);
    --focus-ring: rgba(37, 99, 168, 0.14);
    --icon-muted: rgba(26, 35, 50, 0.42);
    --overlay-backdrop: rgba(15, 23, 34, 0.74);
    --hero-orb-3: #4fd1c5;
}

html[data-theme="sage"] {
    --bg-primary: #e4e0d4;
    --bg-secondary: #dad8cd;
    --bg-tertiary: #f7f6f1;
    --bg-card: #edeae3;
    --bg-card-hover: #e2ddd3;
    --text-primary: #1e2b1f;
    --text-secondary: #4a5d4b;
    --text-muted: #6b7d6c;
    --accent-primary: #4a7c59;
    --accent-secondary: #6b9d76;
    --accent-tertiary: #c9a96e;
    --accent-contrast: #f7f6f1;
    --accent-gradient: linear-gradient(135deg, #4a7c59 0%, #6b9d76 55%, #c9a96e 100%);
    --accent-glow: rgba(74, 124, 89, 0.22);
    --nav-background: rgba(237, 234, 227, 0.84);
    --nav-background-solid: rgba(237, 234, 227, 0.96);
    --surface-subtle: rgba(45, 58, 46, 0.04);
    --surface-border: rgba(45, 58, 46, 0.12);
    --surface-border-input: rgba(45, 58, 46, 0.18);
    --surface-border-strong: rgba(45, 58, 46, 0.28);
    --accent-soft: rgba(74, 124, 89, 0.11);
    --accent-soft-strong: rgba(74, 124, 89, 0.2);
    --accent-soft-alt: rgba(74, 124, 89, 0.16);
    --accent-outline: rgba(74, 124, 89, 0.3);
    --accent-gradient-soft: linear-gradient(135deg, rgba(74, 124, 89, 0.11) 0%, rgba(201, 169, 110, 0.16) 100%);
    --accent-gradient-strong: linear-gradient(135deg, rgba(74, 124, 89, 0.22), rgba(201, 169, 110, 0.22));
    --text-gradient-start: #2d3a2e;
    --text-gradient-end: #6b7d6c;
    --button-shadow: 0 4px 15px rgba(74, 124, 89, 0.18);
    --button-shadow-hover: 0 6px 20px rgba(74, 124, 89, 0.26);
    --focus-ring: rgba(74, 124, 89, 0.14);
    --icon-muted: rgba(45, 58, 46, 0.45);
    --overlay-backdrop: rgba(30, 43, 31, 0.72);
    --hero-orb-3: #c9a96e;
}

html[data-theme="mblue2"],
html[data-theme="myblue"] {
    --bg-primary: #041e42;
    --bg-secondary: #0a2b57;
    --bg-tertiary: #12386d;
    --bg-card: #0a2b57;
    --bg-card-hover: #12386d;
    --text-primary: #edf5ff;
    --text-secondary: #c8d8ee;
    --text-muted: #8eabd0;
    --accent-primary: #0053e2;
    --accent-secondary: #2f80ff;
    --accent-tertiary: #ffc220;
    --accent-contrast: #edf5ff;
    --accent-gradient: linear-gradient(135deg, #0053e2 0%, #2f80ff 60%, #ffc220 100%);
    --accent-glow: rgba(0, 83, 226, 0.24);
    --nav-background: rgba(4, 30, 66, 0.82);
    --nav-background-solid: rgba(4, 30, 66, 0.96);
    --surface-subtle: rgba(237, 245, 255, 0.05);
    --surface-border: rgba(237, 245, 255, 0.08);
    --surface-border-input: rgba(237, 245, 255, 0.16);
    --surface-border-strong: rgba(237, 245, 255, 0.24);
    --accent-soft: rgba(0, 83, 226, 0.12);
    --accent-soft-strong: rgba(0, 83, 226, 0.2);
    --accent-soft-alt: rgba(0, 83, 226, 0.16);
    --accent-outline: rgba(0, 83, 226, 0.34);
    --accent-gradient-soft: linear-gradient(135deg, rgba(0, 83, 226, 0.14) 0%, rgba(255, 194, 32, 0.14) 100%);
    --accent-gradient-strong: linear-gradient(135deg, rgba(0, 83, 226, 0.28), rgba(255, 194, 32, 0.22));
    --text-gradient-start: #f8fbff;
    --text-gradient-end: #c8d8ee;
    --button-shadow: 0 4px 15px rgba(0, 83, 226, 0.24);
    --button-shadow-hover: 0 6px 20px rgba(0, 83, 226, 0.32);
    --focus-ring: rgba(0, 83, 226, 0.16);
    --icon-muted: rgba(237, 245, 255, 0.56);
    --overlay-backdrop: rgba(2, 20, 50, 0.8);
    --hero-orb-3: #ffc220;
}

html[data-theme="coinbase"] {
    --bg-primary: #0b1120;
    --bg-secondary: #111b35;
    --bg-tertiary: #172445;
    --bg-card: #111b35;
    --bg-card-hover: #172445;
    --text-primary: #edf4ff;
    --text-secondary: #ccd9f3;
    --text-muted: #7f97c4;
    --accent-primary: #1652f0;
    --accent-secondary: #3b82f6;
    --accent-tertiary: #8ec5ff;
    --accent-contrast: #f8fbff;
    --accent-gradient: linear-gradient(135deg, #1652f0 0%, #3b82f6 58%, #8ec5ff 100%);
    --accent-glow: rgba(22, 82, 240, 0.25);
    --nav-background: rgba(11, 17, 32, 0.84);
    --nav-background-solid: rgba(11, 17, 32, 0.96);
    --surface-subtle: rgba(248, 251, 255, 0.05);
    --surface-border: rgba(248, 251, 255, 0.08);
    --surface-border-input: rgba(248, 251, 255, 0.15);
    --surface-border-strong: rgba(248, 251, 255, 0.22);
    --accent-soft: rgba(22, 82, 240, 0.11);
    --accent-soft-strong: rgba(22, 82, 240, 0.2);
    --accent-soft-alt: rgba(22, 82, 240, 0.16);
    --accent-outline: rgba(22, 82, 240, 0.34);
    --accent-gradient-soft: linear-gradient(135deg, rgba(22, 82, 240, 0.12) 0%, rgba(142, 197, 255, 0.16) 100%);
    --accent-gradient-strong: linear-gradient(135deg, rgba(22, 82, 240, 0.28), rgba(142, 197, 255, 0.22));
    --text-gradient-start: #f8fbff;
    --text-gradient-end: #ccd9f3;
    --button-shadow: 0 4px 15px rgba(22, 82, 240, 0.24);
    --button-shadow-hover: 0 6px 20px rgba(22, 82, 240, 0.32);
    --focus-ring: rgba(22, 82, 240, 0.16);
    --icon-muted: rgba(248, 251, 255, 0.54);
    --overlay-backdrop: rgba(7, 13, 25, 0.8);
    --hero-orb-3: #8ec5ff;
}

html[data-theme="ibm"] {
    --bg-primary: #f4f4f4;
    --bg-secondary: #ebebeb;
    --bg-tertiary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #edf4ff;
    --text-primary: #161616;
    --text-secondary: #393939;
    --text-muted: #6f6f6f;
    --accent-primary: #0f62fe;
    --accent-secondary: #4589ff;
    --accent-tertiary: #8a3ffc;
    --accent-contrast: #ffffff;
    --accent-gradient: linear-gradient(135deg, #0f62fe 0%, #4589ff 55%, #8a3ffc 100%);
    --accent-glow: rgba(15, 98, 254, 0.22);
    --nav-background: rgba(255, 255, 255, 0.88);
    --nav-background-solid: rgba(255, 255, 255, 0.98);
    --surface-subtle: rgba(22, 22, 22, 0.04);
    --surface-border: rgba(22, 22, 22, 0.1);
    --surface-border-input: rgba(22, 22, 22, 0.16);
    --surface-border-strong: rgba(22, 22, 22, 0.24);
    --accent-soft: rgba(15, 98, 254, 0.1);
    --accent-soft-strong: rgba(15, 98, 254, 0.18);
    --accent-soft-alt: rgba(15, 98, 254, 0.14);
    --accent-outline: rgba(15, 98, 254, 0.28);
    --accent-gradient-soft: linear-gradient(135deg, rgba(15, 98, 254, 0.1) 0%, rgba(138, 63, 252, 0.14) 100%);
    --accent-gradient-strong: linear-gradient(135deg, rgba(15, 98, 254, 0.2), rgba(138, 63, 252, 0.18));
    --text-gradient-start: #161616;
    --text-gradient-end: #6f6f6f;
    --button-shadow: 0 4px 15px rgba(15, 98, 254, 0.18);
    --button-shadow-hover: 0 6px 20px rgba(15, 98, 254, 0.24);
    --focus-ring: rgba(15, 98, 254, 0.14);
    --icon-muted: rgba(22, 22, 22, 0.4);
    --overlay-backdrop: rgba(22, 22, 22, 0.72);
    --hero-orb-3: #8a3ffc;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color var(--transition-base); }
img { max-width: 100%; height: auto; display: block; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-background);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--surface-border);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: var(--nav-background-solid);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.theme-select-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    background: var(--surface-subtle);
    border: 1px solid var(--surface-border);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.theme-select {
    min-width: 11rem;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--surface-border-input);
    border-radius: var(--radius-full);
    padding: 0.45rem 0.75rem;
    font: inherit;
    cursor: pointer;
}

.theme-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-base);
}

.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px var(--spacing-lg) var(--spacing-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 { width: 600px; height: 600px; background: var(--accent-primary); top: -200px; right: -200px; }
.orb-2 { width: 400px; height: 400px; background: var(--accent-secondary); bottom: -100px; left: -100px; animation-delay: -5s; }
.orb-3 { width: 300px; height: 300px; background: var(--hero-orb-3); top: 50%; left: 50%; animation-delay: -10s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
    max-width: 1200px;
    width: 100%;
}

.hero-text { max-width: 600px; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--accent-soft);
    border: 1px solid var(--accent-outline);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-lg);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.hero-title .name {
    background: linear-gradient(135deg, var(--text-gradient-start) 0%, var(--text-gradient-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .credentials {
    font-size: 0.6em;
    color: var(--text-secondary);
    -webkit-text-fill-color: var(--text-secondary);
}

.hero-tagline {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    min-height: 2em;
}

.cursor { animation: blink 1s step-end infinite; }

@keyframes blink { 50% { opacity: 0; } }

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.hero-description strong { color: var(--text-primary); }

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--accent-contrast);
    box-shadow: var(--button-shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--button-shadow-hover);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--surface-border-input);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--surface-border-strong);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--surface-border-strong);
}

.btn-outline:hover {
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.1rem;
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--surface-subtle);
    border-radius: var(--radius-lg);
    border: 1px solid var(--surface-border);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* Hero Image */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-frame {
    position: relative;
    width: 400px;
    height: 400px;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    position: relative;
    z-index: 2;
}

.image-border {
    position: absolute;
    inset: -3px;
    background: var(--accent-gradient);
    border-radius: calc(var(--radius-2xl) + 3px);
    z-index: 1;
}

.image-glow {
    position: absolute;
    inset: -20px;
    background: var(--accent-gradient);
    filter: blur(40px);
    opacity: 0.3;
    z-index: 0;
    border-radius: 50%;
}

/* Floating Cards */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-card);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: 0.85rem;
    font-weight: 500;
    z-index: 3;
    animation: floatCard 6s ease-in-out infinite;
}

.floating-card i { color: var(--accent-primary); }
.card-1 { top: 20%; right: -20px; }
.card-2 { bottom: 30%; left: -30px; animation-delay: -2s; }
.card-3 { bottom: 10%; right: 10%; animation-delay: -4s; }

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
}

.scroll-indicator:hover {
    color: var(--text-primary);
}

.scroll-indicator:hover .mouse {
    border-color: var(--accent-primary);
}

.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    position: relative;
    transition: border-color var(--transition-base);
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--text-muted);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateX(-50%) translateY(12px);
        opacity: 0.3;
    }
    100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

.scroll-indicator span {
    animation: scrollText 2s ease-in-out infinite;
}

@keyframes scrollText {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

/* ========================================
   SECTIONS COMMON
   ======================================== */
section { padding: var(--spacing-3xl) 0; }

.section-header { text-align: center; margin-bottom: var(--spacing-3xl); }

.section-tag {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-gradient-start) 0%, var(--text-gradient-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about { background: var(--bg-secondary); }

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.about-image { position: relative; }
.about-img { border-radius: var(--radius-2xl); box-shadow: var(--shadow-xl); }

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--accent-gradient);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-glow);
    color: var(--accent-contrast);
}

.experience-badge .years { display: block; font-size: 2.5rem; font-weight: 800; }
.experience-badge .text { display: block; font-size: 0.85rem; opacity: 0.9; }

.about-text { color: var(--text-secondary); line-height: 1.8; }
.about-intro { font-size: 1.2rem; color: var(--text-primary); margin-bottom: var(--spacing-lg); }
.about-text p { margin-bottom: var(--spacing-md); }
.about-text strong { color: var(--text-primary); }

.about-highlights { margin-top: var(--spacing-xl); display: grid; gap: var(--spacing-md); }
.highlight { display: flex; align-items: center; gap: var(--spacing-sm); color: var(--text-primary); }
.highlight i { color: var(--success); }

/* ========================================
   EXPERIENCE TIMELINE
   ======================================== */
.experience { background: var(--bg-primary); }

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 60px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
}

.timeline-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s ease;
}

.timeline-item.visible { opacity: 1; transform: translateX(0); }

.timeline-marker {
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border: 3px solid var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-primary);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-glow);
}

.timeline-item.active .timeline-marker {
    background: var(--accent-gradient);
    color: var(--accent-contrast);
    border-color: transparent;
}

.timeline-content {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--surface-border);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    border-color: var(--accent-outline);
    box-shadow: var(--shadow-glow);
}

.timeline-header { margin-bottom: var(--spacing-md); }
.timeline-header h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: var(--spacing-xs); }
.timeline-header .company { display: block; color: var(--accent-primary); font-weight: 600; margin-bottom: var(--spacing-xs); }
.timeline-header .location { font-size: 0.85rem; color: var(--text-muted); }
.timeline-header .location i { margin-right: var(--spacing-xs); }
.timeline-description { color: var(--text-secondary); margin-bottom: var(--spacing-lg); line-height: 1.7; }

.achievements { display: flex; flex-wrap: wrap; gap: var(--spacing-md); }
.achievement { background: var(--accent-soft); padding: var(--spacing-sm) var(--spacing-md); border-radius: var(--radius-md); text-align: center; }
.achievement-value { display: block; font-size: 1.1rem; font-weight: 700; color: var(--accent-primary); }
.achievement-label { display: block; font-size: 0.75rem; color: var(--text-muted); }

/* ========================================
   AI INNOVATION SECTION
   ======================================== */
.ai-innovation { background: var(--bg-secondary); }

.innovation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.innovation-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--surface-border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.innovation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.innovation-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-outline);
    box-shadow: var(--shadow-glow);
}

.innovation-card:hover::before { transform: scaleX(1); }

.innovation-card.featured {
    grid-column: span 2;
    background: var(--accent-gradient-soft);
}

.innovation-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.innovation-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: var(--spacing-sm); }
.innovation-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; margin-bottom: var(--spacing-md); }

.innovation-metric { display: flex; align-items: baseline; gap: var(--spacing-sm); }
.metric-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.metric-label { color: var(--text-muted); font-size: 0.9rem; }

.innovation-card .tag {
    display: inline-block;
    background: var(--accent-soft-strong);
    color: var(--accent-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

/* ========================================
   TESTIMONIALS SECTION (NEW)
   ======================================== */
.testimonials { background: var(--bg-primary); }

.testimonials-carousel {
    display: flex;
    overflow: hidden;
    position: relative;
}

.testimonial-card {
    min-width: 100%;
    padding: var(--spacing-2xl);
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--surface-border);
    text-align: center;
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    border-color: var(--accent-outline);
    box-shadow: var(--shadow-glow);
}

.testimonial-quote {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.testimonial-quote::before {
    content: '"';
    font-size: 4rem;
    color: var(--accent-primary);
    opacity: 0.3;
    position: absolute;
    top: -20px;
    left: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-contrast);
}

.testimonial-info { text-align: left; }
.testimonial-name { font-weight: 600; font-size: 1.1rem; }
.testimonial-title { color: var(--text-muted); font-size: 0.9rem; }
.testimonial-company { color: var(--accent-primary); font-size: 0.85rem; }

.testimonial-rating {
    margin-top: var(--spacing-md);
    color: var(--warning);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.carousel-btn {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 1px solid var(--surface-border-input);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.carousel-btn:hover {
    background: var(--accent-gradient);
    color: var(--accent-contrast);
    border-color: transparent;
}

.carousel-dots {
    display: flex;
    gap: var(--spacing-sm);
}

.carousel-dot {
    width: 10px;
    height: 10px;
    background: var(--bg-card);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-base);
}

.carousel-dot.active {
    background: var(--accent-primary);
    transform: scale(1.2);
}

/* ========================================
   BLOG SECTION (NEW)
   ======================================== */
.blog { background: var(--bg-secondary); }

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.blog-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--surface-border);
    transition: all var(--transition-base);
    cursor: pointer;
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-outline);
    box-shadow: var(--shadow-glow);
}

.blog-image {
    height: 180px;
    background: var(--accent-gradient-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--icon-muted);
}

.blog-content { padding: var(--spacing-lg); }

.blog-category {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.blog-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.blog-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ========================================
   SKILLS SECTION
   ======================================== */
.skills { background: var(--bg-primary); }

.skills-container { display: grid; gap: var(--spacing-2xl); }

.skill-category {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--surface-border);
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.skill-category h3 i { color: var(--accent-primary); }

.skill-tags { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); }

.skill-tag {
    background: var(--surface-subtle);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.skill-tag:hover {
    background: var(--accent-soft);
    color: var(--accent-primary);
    border-color: var(--accent-outline);
}

.skill-tag.highlight {
    background: var(--accent-soft);
    color: var(--accent-primary);
    border-color: var(--accent-soft-strong);
}

/* ========================================
   EDUCATION SECTION
   ======================================== */
.education { background: var(--bg-secondary); }

.education-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.education-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    border: 1px solid var(--surface-border);
    transition: all var(--transition-base);
}

.education-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-outline);
}

.edu-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-md);
    color: var(--accent-contrast);
}

.education-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: var(--spacing-sm); }
.education-card .institution { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: var(--spacing-xs); }
.education-card .degree { display: block; color: var(--text-muted); font-size: 0.85rem; margin-bottom: var(--spacing-sm); }

.education-card .year {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
}

/* ========================================
   CONTACT SECTION (ENHANCED)
   ======================================== */
.contact { background: var(--bg-primary); }

.contact-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-form-container {
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    border: 1px solid var(--surface-border);
}

.contact-form { display: flex; flex-direction: column; gap: var(--spacing-lg); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }

.form-group { display: flex; flex-direction: column; gap: var(--spacing-sm); }

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-tertiary);
    border: 1px solid var(--surface-border-input);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-primary);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b6b7b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-status {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.form-status.info {
    display: block;
    background: var(--accent-soft-alt);
    color: var(--accent-primary);
    border: 1px solid var(--accent-outline);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid var(--surface-border);
    transition: all var(--transition-base);
}

.contact-card:hover {
    border-color: var(--accent-outline);
    transform: translateY(-3px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-contrast);
}

.contact-card h3 { font-size: 1rem; margin-bottom: var(--spacing-sm); }
.contact-card a, .contact-card span { color: var(--text-secondary); font-size: 0.9rem; }
.contact-card a:hover { color: var(--accent-primary); }

/* Newsletter Card */
.newsletter-card {
    background: var(--accent-gradient-soft);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid var(--accent-soft-strong);
}

.newsletter-card h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.newsletter-card h3 i { color: var(--accent-primary); }
.newsletter-card p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: var(--spacing-md); }

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--surface-border-input);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.newsletter-status {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
}

.newsletter-status.success { color: var(--success); }
.newsletter-status.error { color: var(--error); }
.newsletter-status.info { color: var(--accent-primary); }

/* ========================================
   MODAL (BLOG POST)
   ======================================== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--overlay-backdrop);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active { display: flex; }

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    border: 1px solid var(--surface-border);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 1;
}

.modal-close:hover {
    background: var(--accent-primary);
    color: var(--accent-contrast);
}

.modal-body { padding: var(--spacing-2xl); }

.modal-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.modal-body h1 { font-size: 2rem; margin-bottom: var(--spacing-md); }
.modal-body h2 { font-size: 1.5rem; margin: var(--spacing-xl) 0 var(--spacing-md); }
.modal-body h3 { font-size: 1.2rem; margin: var(--spacing-lg) 0 var(--spacing-sm); }
.modal-body p { color: var(--text-secondary); line-height: 1.8; margin-bottom: var(--spacing-md); }
.modal-body ul, .modal-body ol { color: var(--text-secondary); margin-left: var(--spacing-xl); margin-bottom: var(--spacing-md); }
.modal-body li { margin-bottom: var(--spacing-sm); line-height: 1.6; }
.modal-body code { background: var(--bg-tertiary); padding: 2px 6px; border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 0.9em; }

.modal-author {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-lg);
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.modal-tag {
    background: var(--accent-soft);
    color: var(--accent-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--surface-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.footer-brand { max-width: 300px; }

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: var(--spacing-sm); }

.footer-links { display: flex; gap: var(--spacing-lg); }
.footer-links a { color: var(--text-secondary); font-size: 0.9rem; transition: color var(--transition-base); }
.footer-links a:hover { color: var(--accent-primary); }

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--accent-gradient);
    color: var(--accent-contrast);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--surface-border);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom i { color: var(--error); }

/* ========================================
   ABOUT STORY SECTION (NEW)
   ======================================== */
.about-story {
    background: var(--bg-secondary);
    padding: var(--spacing-3xl) 0;
}

.about-story-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.about-story-image {
    position: relative;
}

.about-story-image img {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
}

.about-story-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--accent-gradient);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-glow);
    color: var(--accent-contrast);
}

.about-story-badge .badge-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
}

.about-story-badge .badge-text {
    display: block;
    font-size: 0.85rem;
    opacity: 0.9;
}

.about-story-text {
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-story-text .story-intro {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.about-story-text p {
    margin-bottom: var(--spacing-md);
}

.about-story-text strong {
    color: var(--text-primary);
}

.about-story-highlights {
    margin-top: var(--spacing-xl);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.about-story-highlights .highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    background: var(--accent-soft);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
}

.about-story-highlights .highlight-item i {
    color: var(--accent-primary);
}

/* ========================================
   WHAT I DO / SERVICES SECTION (NEW)
   ======================================== */
.what-i-do {
    background: var(--bg-primary);
    padding: var(--spacing-3xl) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--surface-border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-outline);
    box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card.featured {
    background: var(--accent-gradient-soft);
    border-color: var(--accent-soft-strong);
}

.service-card.featured::before {
    transform: scaleX(1);
}

.service-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--accent-gradient);
    color: var(--accent-contrast);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-contrast);
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.service-card > p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.service-features li i {
    color: var(--success);
    font-size: 0.8rem;
}

/* ========================================
   TRUSTED BY / COMPANIES SECTION (NEW)
   ======================================== */
.trusted-by {
    background: var(--bg-secondary);
    padding: var(--spacing-3xl) 0;
}

.companies-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-lg);
}

.company-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    border: 1px solid var(--surface-border);
    transition: all var(--transition-base);
}

.company-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-outline);
    box-shadow: var(--shadow-glow);
}

.company-logo {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-md);
    color: var(--accent-contrast);
}

.company-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.company-card p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: var(--spacing-xs);
}

.company-period {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
}

/* ========================================
   ARTICLES SECTION (NEW)
   ======================================== */
.articles {
    background: var(--bg-primary);
    padding: var(--spacing-3xl) 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 1024px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .articles-grid { grid-template-columns: 1fr; }
}

.article-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--surface-border);
    transition: all var(--transition-base);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-outline);
    box-shadow: var(--shadow-glow);
}

.article-card.is-placeholder {
    cursor: default;
}

.article-image {
    height: 160px;
    background: var(--accent-gradient-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--icon-muted);
    flex-shrink: 0;
}

.article-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-category {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    align-self: flex-start;
}

.article-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    color: var(--text-primary);
}

.article-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: auto;
}

.articles-cta {
    text-align: center;
}

.content-empty {
    grid-column: 1 / -1;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--surface-border);
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--text-secondary);
}

/* ========================================
   NEWSLETTER SECTION (NEW)
   ======================================== */
.newsletter-section {
    background: var(--accent-gradient-soft);
    padding: var(--spacing-3xl) 0;
    border-top: 1px solid var(--accent-soft-strong);
    border-bottom: 1px solid var(--accent-soft-strong);
}

.newsletter-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-text h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.newsletter-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
}

.newsletter-form-large {
    display: flex;
    gap: var(--spacing-md);
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form-large input {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--surface-border-input);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    font-size: 1rem;
}

.newsletter-form-large input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.newsletter-form-large input::placeholder {
    color: var(--text-muted);
}

.newsletter-status {
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
}

/* ========================================
   AI INNOVATION SECTION
   ======================================== */
.ai-innovation {
    background: var(--bg-secondary);
    padding: var(--spacing-3xl) 0;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-text { max-width: 100%; }
    .hero-cta { justify-content: center; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .hero-image { display: none; }
    
    .about-content { grid-template-columns: 1fr; }
    .about-image { max-width: 400px; margin: 0 auto; }
    
    .innovation-grid { grid-template-columns: repeat(2, 1fr); }
    .innovation-card.featured { grid-column: span 2; }
    
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    
    .companies-grid { grid-template-columns: repeat(3, 1fr); }
    
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    
    .about-story-content { grid-template-columns: 1fr; }
    .about-story-image { max-width: 400px; margin: 0 auto; }
    
    .newsletter-form-large { flex-direction: column; }
    
    .education-grid { grid-template-columns: repeat(2, 1fr); }
    
    .contact-content { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--surface-border);
    }
    
    .nav-menu.active { display: flex; }
    .hamburger { display: flex; }

    .theme-select-label > span {
        display: none;
    }

    .theme-select {
        min-width: 8.5rem;
    }
    
    .hamburger.active .bar:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }
    
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    
    .timeline::before { left: 30px; }
    .timeline-item { grid-template-columns: 60px 1fr; }
    .timeline-marker { width: 50px; height: 50px; font-size: 1.2rem; }
    
    .innovation-grid { grid-template-columns: 1fr; }
    .innovation-card.featured { grid-column: span 1; }
    
    .services-grid { grid-template-columns: 1fr; }
    
    .companies-grid { grid-template-columns: repeat(2, 1fr); }
    
    .articles-grid { grid-template-columns: 1fr; }
    
    .form-row { grid-template-columns: 1fr; }
    
    .footer-content { flex-direction: column; gap: var(--spacing-xl); text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; }
    .footer-bottom { flex-direction: column; gap: var(--spacing-sm); }
}

@media (max-width: 480px) {
    .nav-actions {
        gap: var(--spacing-sm);
    }

    .theme-select {
        min-width: 7.25rem;
        font-size: 0.78rem;
        padding: 0.4rem 0.6rem;
    }

    .hero { padding: 100px var(--spacing-md) var(--spacing-2xl); }
    .hero-title { font-size: 2rem; }
    .hero-cta { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
    .hero-stats { grid-template-columns: 1fr 1fr; gap: var(--spacing-sm); }
    .stat { padding: var(--spacing-sm); }
    .stat-number { font-size: 1.5rem; }
    .section-title { font-size: 1.75rem; }
}