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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-text);
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    line-height: var(--leading-normal);
    overflow-x: hidden;
}

/* Apple-Style Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.navbar-logo:hover {
    opacity: 0.7;
}

.navbar-logo img {
    height: 32px;
    width: auto;
}

.navbar-title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: var(--weight-semibold);
    color: var(--color-gray-900);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: var(--weight-medium);
    color: var(--color-gray-700);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

/* Full-Screen Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--gradient-hero);
    overflow: hidden;
    padding: 0;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(144, 224, 239, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(10, 147, 150, 0.3) 0%, transparent 50%);
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 980px;
    margin: 0 auto;
    padding: 4rem 2rem;
    text-align: center;
}

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-logo {
    width: 160px;
    height: auto;
    margin-bottom: 3rem;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: var(--weight-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tighter);
    color: white;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-tagline {
    font-family: var(--font-text);
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: var(--weight-regular);
    line-height: var(--leading-relaxed);
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 3rem;
    animation: fadeInUp 1.2s ease 0.4s backwards;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: white;
    color: var(--color-primary);
    font-size: 1.125rem;
    font-weight: var(--weight-semibold);
    border-radius: 980px;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-normal);
    animation: fadeInUp 1.4s ease 0.6s backwards;
}

.hero-cta:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Projects Section with Glassmorphism */
.projects-section {
    padding: 8rem 0;
    background: var(--color-gray-100);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--weight-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--color-gray-900);
    margin-bottom: 1.5rem;
}

.section-description {
    font-size: var(--text-xl);
    line-height: var(--leading-relaxed);
    color: var(--color-gray-600);
}

/* Asymmetric Premium Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.project-card:nth-child(1) { grid-column: span 8; }
.project-card:nth-child(2),
.project-card:nth-child(3) { grid-column: span 4; }
.project-card:nth-child(4) { grid-column: span 5; }
.project-card:nth-child(5) { grid-column: span 7; }
.project-card:nth-child(n+6) { grid-column: span 6; }

/* Glassmorphism Cards */
.project-card {
    position: relative;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-slow);
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.project-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(29, 53, 87, 0.3);
}

.project-card:hover::before {
    opacity: 1;
}

.card-image-wrapper {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    position: relative;
}

.card-image-wrapper::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: var(--gradient-overlay);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.project-card:hover .card-image-wrapper::after {
    opacity: 1;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .card-image {
    transform: scale(1.08);
}

.card-content {
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.card-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-semibold);
    line-height: var(--leading-snug);
    color: var(--color-gray-900);
    margin-bottom: 0.75rem;
}

.card-description {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-gray-600);
    margin-bottom: 1.5rem;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.card-link:hover {
    gap: 0.75rem;
    color: var(--color-primary-dark);
}

.link-icon {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-normal);
}

.card-link:hover .link-icon {
    transform: translateX(4px);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-16);
    color: var(--color-gray-600);
}

/* Dark Premium Footer */
.footer {
    background: var(--color-gray-900);
    padding: 6rem 0 3rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(10, 147, 150, 0.5) 50%,
        transparent 100%);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 0 2rem;
}

.footer-heading {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--weight-semibold);
    line-height: var(--leading-tight);
    color: white;
    margin-bottom: 1.5rem;
}

.footer-description {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2.5rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    background: white;
    color: var(--color-gray-900);
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    text-decoration: none;
    border-radius: 980px;
    transition: all var(--transition-normal);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    background: var(--color-gray-100);
}

.copyright {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* Premium Animations */
.animate-in {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards !important;
}

/* Responsive Grid */
@media (max-width: 1024px) {
    .project-card:nth-child(n) {
        grid-column: span 6;
    }
}

@media (max-width: 768px) {
    .navbar-container {
        padding: 0 1.5rem;
        height: 48px;
    }

    .navbar-logo img {
        height: 28px;
    }

    .navbar-title {
        font-size: 1rem;
    }

    .navbar-menu {
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 0.8125rem;
    }

    .hero {
        min-height: 100svh;
        padding: 2rem 1.5rem;
    }

    .hero-title {
        font-size: clamp(2.5rem, 10vw, 3.5rem);
    }

    .hero-tagline {
        font-size: 1.125rem;
    }

    .projects-section {
        padding: 4rem 0;
    }

    .section-header h2 {
        font-size: 2.5rem;
    }

    .project-card:nth-child(n) {
        grid-column: span 12;
    }

    .projects-grid {
        gap: 1.5rem;
    }

    .card-content {
        padding: 1.5rem;
    }

    .footer {
        padding: 4rem 0 2rem;
    }

    .footer-heading {
        font-size: 2rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}