/* ========================================
   ROHIT'S PORTFOLIO - SHARED STYLES
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Fira+Code:wght@400;500;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #050505;
    --bg-secondary: #0a0a0a;
    --bg-card: #111111;
    --bg-card-hover: #1a1a1a;
    --border: #222222;
    --border-light: #333333;
    --accent: #00e5cc;
    --accent-dim: rgba(0, 229, 204, 0.1);
    --accent-glow: rgba(0, 229, 204, 0.3);
    --secondary: #ff6b6b;
    --tertiary: #ffd93d;
    --text: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --gradient-1: linear-gradient(135deg, #00e5cc 0%, #00b4d8 50%, #9b5de5 100%);
    --gradient-2: linear-gradient(135deg, #ff6b6b 0%, #ffd93d 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--bg-primary);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

::selection {
    background: var(--accent);
    color: var(--bg-primary);
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

img {
    max-width: 100%;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ========== NAVBAR ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 24px 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    background: rgba(5, 5, 5, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Syne', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 4px;
    letter-spacing: -1px;
}

.logo-accent {
    color: var(--accent);
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
    margin-left: 2px;
}

.nav-links {
    display: flex;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 10px 18px;
    border-radius: 8px;
    position: relative;
    transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
    background: var(--accent-dim);
}

.nav-links a.active {
    color: var(--accent);
}

.nav-cta {
    padding: 12px 28px;
    background: var(--accent);
    color: var(--bg-primary);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-2px);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.6rem;
    cursor: pointer;
    padding: 8px;
}

/* Mobile Nav */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 5, 5, 0.98);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    color: var(--text);
    font-size: 2rem;
    cursor: pointer;
}

.mobile-nav a {
    font-family: 'Syne', sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.mobile-nav a:hover {
    color: var(--accent);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
}

.btn-primary:hover {
    box-shadow: 0 8px 40px var(--accent-glow);
    transform: translateY(-3px);
}

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

.btn-secondary:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
    color: var(--accent);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: var(--bg-primary);
}

/* ========== SECTION STYLES ========== */
section {
    padding: 120px 0;
    position: relative;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 16px;
    padding: 8px 16px;
    background: var(--accent-dim);
    border-radius: 6px;
    border: 1px solid rgba(0, 229, 204, 0.2);
}

.section-title {
    font-family: 'Syne', sans-serif;
    font-size: 3.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -2px;
    line-height: 1.1;
}

.section-title span {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.8;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header .section-desc {
    margin: 0 auto;
}

/* ========== CARDS ========== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* ========== GRID BACKGROUND ========== */
.grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(34, 34, 34, 0.4) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 34, 34, 0.4) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    pointer-events: none;
}

.glow-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 229, 204, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(155, 93, 229, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(255, 107, 107, 0.04) 0%, transparent 60%);
    pointer-events: none;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 300px;
}

.footer-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 14px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--accent);
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-4px);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-legal a:hover {
    color: var(--accent);
}

/* ========== SCROLL TOP ========== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 54px;
    height: 54px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--accent);
    font-size: 1.4rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--accent);
    color: var(--bg-primary);
    box-shadow: 0 0 30px var(--accent-glow);
}

/* ========== PAGE HERO ========== */
.page-hero {
    padding: 180px 0 100px;
    position: relative;
    overflow: hidden;
}

.page-hero-content {
    position: relative;
    z-index: 2;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb span {
    color: var(--accent);
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow); }
    50% { opacity: 0.8; box-shadow: 0 0 0 10px rgba(0, 229, 204, 0); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .container {
        padding: 0 24px;
    }

    .nav-links {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .section-title {
        font-size: 2.6rem;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 0;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        margin: 0 auto;
    }

    .social-links {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .page-hero {
        padding: 140px 0 60px;
    }

    .breadcrumb {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .btn {
        padding: 14px 24px;
        font-size: 0.9rem;
    }
}