/* ===== VARIABLES ===== */
:root {
    --black: #000000;
    --black-soft: #0A0A0A;
    --orange: #FF6B35;
    --orange-light: #FF8C5A;
    --orange-glow: rgba(255, 107, 53, 0.15);
    --white: #FFFFFF;
    --gray-dark: #111111;
    --gray-medium: #1A1A1A;
    --gray-light: #888888;
    --gray-lighter: #CCCCCC;
    
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 4rem;
    background: transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.9);
    padding: 1rem 4rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 32px;
    width: auto;
    transition: var(--transition);
}

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

.nav-links {
    display: flex;
    gap: 3rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-links a {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gray-light);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--orange);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--white);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--orange);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 100px;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--orange-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.nav-cta svg {
    width: 14px;
    height: 14px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--black);
    z-index: 999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu a {
    font-size: 2rem;
    font-weight: 500;
    color: var(--white);
    letter-spacing: -0.02em;
}

.mobile-menu a:hover {
    color: var(--orange);
}

.mobile-cta {
    margin-top: 1rem;
    padding: 1rem 2.5rem !important;
    background: var(--orange);
    border-radius: 100px;
    font-size: 1rem !important;
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* LCP Element - Completely hidden, only for PageSpeed */
.hero-lcp {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: var(--black);
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--black);
}

/* Mobile video fixes */
@media (max-width: 768px) {
    .video-container video {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
    
    .hero {
        min-height: 100vh;
        min-height: -webkit-fill-available;
    }
    
    .scroll-indicator {
        bottom: 2rem;
    }
    
    .scroll-line {
        height: 40px;
    }
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.1) 40%,
        rgba(0, 0, 0, 0.1) 60%,
        rgba(0, 0, 0, 0.7) 100%
    );
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.scroll-text {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--gray-light);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--orange), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        transform: scaleY(1);
        opacity: 1;
    }
    50% {
        transform: scaleY(0.5);
        opacity: 0.5;
    }
}

/* ===== SECTION COMMON ===== */
.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 10rem 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--orange);
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 2rem;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 1px;
    background: var(--orange);
}

/* ===== ABOUT SECTION ===== */
.about {
    background: var(--black-soft);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gray-medium), transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: start;
}

.about-headline {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--white);
}

.about-description {
    font-size: 1.125rem;
    color: var(--gray-light);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--gray-medium);
    transition: var(--transition);
    cursor: default;
}

.feature-item:first-child {
    border-top: 1px solid var(--gray-medium);
}

.feature-item:hover {
    padding-left: 1rem;
    border-color: var(--orange);
}

.feature-item:hover .feature-number {
    color: var(--orange);
}

.feature-number {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-light);
    font-family: 'SF Mono', 'Fira Code', monospace;
    transition: var(--transition);
}

.feature-text {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--white);
}

/* ===== WORK SECTION ===== */
.work {
    background: var(--gray-dark);
    position: relative;
}

.work::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gray-medium), transparent);
}

.work-headline {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 4rem;
    color: var(--white);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.work-card {
    position: relative;
    background: var(--gray-medium);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    overflow: hidden;
    cursor: pointer;
}

.work-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--orange);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.work-card:hover {
    background: var(--black);
    border-color: var(--orange);
}

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

.work-card.expanded {
    grid-column: span 3;
    background: var(--black);
    border-color: var(--orange);
}

.work-card.expanded::before {
    transform: scaleX(1);
}

.work-card-inner {
    position: relative;
    z-index: 1;
    padding: 2.5rem;
}

.work-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.work-number {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--orange);
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.work-logo-placeholder {
    width: 48px;
    height: 48px;
    background: var(--gray-dark);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.work-logo-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.work-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.work-desc {
    font-size: 0.875rem;
    color: var(--gray-light);
    margin-bottom: 2rem;
}

.work-expand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-light);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition);
}

.work-expand svg {
    width: 16px;
    height: 16px;
    transition: var(--transition);
}

.work-card:hover .work-expand {
    color: var(--orange);
}

.work-card.expanded .work-expand svg {
    transform: rotate(45deg);
}

.work-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), padding 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 2.5rem;
    background: rgba(255, 107, 53, 0.03);
}

.work-card.expanded .work-details {
    max-height: 600px;
    padding: 0 2.5rem 2.5rem;
    border-top: 1px solid var(--gray-medium);
}

.detail-section {
    margin-bottom: 1.5rem;
}

.detail-section:last-child {
    margin-bottom: 0;
}

.detail-section h4 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--orange);
    margin-bottom: 0.75rem;
}

.detail-section p {
    font-size: 0.95rem;
    color: var(--gray-lighter);
    line-height: 1.6;
}

.detail-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.detail-section li {
    font-size: 0.9rem;
    color: var(--gray-lighter);
    padding-left: 1.25rem;
    position: relative;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.detail-section li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--orange);
    font-size: 0.8rem;
}

@media (max-width: 1024px) {
    .work-grid {
        grid-template-columns: 1fr;
    }
    
    .work-card.expanded {
        grid-column: span 1;
    }
}

@media (max-width: 640px) {
    .work-card-inner {
        padding: 1.5rem;
    }
    
    .work-details {
        padding: 0 1.5rem;
    }
    
    .work-card.expanded .work-details {
        padding: 0 1.5rem 1.5rem;
    }
}

/* ===== CONNECT SECTION ===== */
.connect {
    background: var(--black-soft);
    position: relative;
}

.connect::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gray-medium), transparent);
}

.connect-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 6rem;
    align-items: start;
}

.connect-headline {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 2.5rem;
    color: var(--white);
}

.connect-email {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 500;
    color: var(--orange);
    padding: 1rem 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.connect-email:hover {
    border-color: var(--orange);
}

.connect-email svg {
    width: 24px;
    height: 24px;
    transition: var(--transition);
}

.connect-email:hover svg {
    transform: translate(5px, -5px);
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--gray-medium);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gray-dark);
    border-color: var(--orange);
    transform: translateX(5px);
}

.social-link svg {
    width: 24px;
    height: 24px;
    color: var(--gray-light);
    transition: var(--transition);
}

.social-link:hover svg {
    color: var(--orange);
}

.social-link span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-lighter);
}

.social-link.app-link {
    background: linear-gradient(135deg, var(--gray-medium), var(--black));
}

.social-link.app-link:hover {
    background: var(--orange);
}

.social-link.app-link:hover svg,
.social-link.app-link:hover span {
    color: var(--white);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--black);
    padding: 2rem 4rem;
    border-top: 1px solid var(--gray-medium);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.footer-brand {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--gray-light);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .navbar {
        padding: 1.5rem 2rem;
    }
    
    .navbar.scrolled {
        padding: 1rem 2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-cta {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .section-container {
        padding: 6rem 2rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .work-grid {
        grid-template-columns: 1fr;
    }
    
    .connect-wrapper {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .social-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer {
        padding: 2rem;
    }
}

@media (max-width: 640px) {
    .navbar {
        padding: 1rem 1.5rem;
    }
    
    .section-container {
        padding: 4rem 1.5rem;
    }
    
    .social-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-left {
        justify-content: center;
    }
}

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

.animate-in {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ===== SELECTION ===== */
::selection {
    background: var(--orange);
    color: var(--white);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 6px;
}

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

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

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