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

:root {
    --black: #0a0a0a;
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --accent: #c6ff00;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.20);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--gray-700);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
}

a { text-decoration: none; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===========================
   HAMBURGER BUTTON
   =========================== */
.hamburger {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    z-index: 1120;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.hamburger:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
}

.hamburger .bar {
    width: 22px;
    height: 2px;
    background: var(--black);
    margin: 3px 0;
    transition: transform 0.3s ease, opacity 0.2s ease;
    border-radius: 2px;
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}
.hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ===========================
   OVERLAY MENU
   =========================== */
.menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
    z-index: 1080;
}

.menu-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.nav-menu {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    width: 100%;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
    z-index: 1110;
    background: transparent;
}

.nav-menu.active {
    opacity: 1;
    pointer-events: auto;
}

.menu-logo {
    text-align: center;
}

.logo-image {
    max-width: 180px;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.4));
}

.nav-menu-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.nav-link {
    color: var(--white);
    font-family: 'Bebas Neue', 'Inter', sans-serif;
    font-weight: 400;
    font-size: clamp(2rem, 5vw, 3.5rem);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.4);
    transition: var(--transition);
    position: relative;
    display: inline-block;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--white);
    transition: width 0.3s ease, left 0.3s ease;
}

.nav-link:hover {
    opacity: 0.85;
}

.nav-link:hover::after {
    width: 100%;
    left: 0;
}

body.menu-open {
    overflow: hidden;
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--black);
    color: var(--white);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

/* Video background */
.hero-video {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-video-media {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.35) 0%,
        rgba(0, 0, 0, 0.50) 100%
    );
    pointer-events: none;
}

.hero-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(2rem, 5vw, 4rem);
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: 'Bebas Neue', 'Inter', sans-serif;
    font-size: clamp(3.5rem, 8vw, 6.5rem);
    font-weight: 400;
    line-height: 0.95;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.title-line {
    display: block;
    opacity: 0;
    animation: slideInUp 0.8s ease forwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.15s;
}

.hero-subtitle {
    font-size: clamp(0.95rem, 1.8vw, 1.35rem);
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: slideInUp 0.8s ease 0.3s forwards;
    text-transform: uppercase;
    letter-spacing: 3px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    opacity: 0;
    animation: slideInUp 0.8s ease 0.45s forwards;
}

/* Buttons */
.btn {
    padding: 14px 36px;
    border: 2px solid var(--white);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: var(--transition);
    font-family: inherit;
}

.btn-primary {
    background: var(--white);
    color: var(--black);
}

.btn-primary:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    transform: translateY(-2px);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    z-index: 2;
}

.scroll-arrow {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-right: 2px solid rgba(255, 255, 255, 0.6);
    border-bottom: 2px solid rgba(255, 255, 255, 0.6);
    transform: rotate(45deg);
    cursor: pointer;
    transition: var(--transition);
}

.scroll-arrow:hover {
    border-color: var(--white);
}

/* ===========================
   ACCENT MARQUEE STRIP
   =========================== */
.accent-strip {
    background: var(--black);
    color: var(--white);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    overflow: hidden;
    position: relative;
    z-index: 10;
}

.accent-strip.skew {
    transform: skewY(-2deg);
    margin-top: -40px;
}

.accent-strip .inner {
    transform: skewY(2deg);
    white-space: nowrap;
    display: flex;
    gap: 2.5rem;
    padding: 14px 0;
    animation: marquee 20s linear infinite;
}

.accent-item {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.accent-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

@keyframes marquee {
    0% { transform: skewY(2deg) translateX(0); }
    100% { transform: skewY(2deg) translateX(-50%); }
}

/* ===========================
   SECTION SHARED STYLES
   =========================== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: 'Bebas Neue', 'Inter', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--black);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--gray-500);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===========================
   ABOUT SECTION
   =========================== */
.about {
    padding: clamp(60px, 10vw, 120px) 0;
    background: var(--gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.6rem;
    color: var(--black);
    margin-bottom: 1.25rem;
    font-weight: 700;
}

.about-text p {
    margin-bottom: 1.25rem;
    color: var(--gray-600);
    line-height: 1.8;
    font-size: 0.95rem;
}

.skills {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 2rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.skill-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.skill-item i {
    color: var(--black);
    font-size: 1.15rem;
    width: 20px;
    text-align: center;
}

.skill-item span {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--gray-700);
}

.about-image {
    display: flex;
    justify-content: center;
}

.profile-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    aspect-ratio: 4/5;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
}

.profile-image:hover {
    transform: scale(1.02);
}

/* ===========================
   WORK SECTION — MASONRY GALLERY
   =========================== */
.work {
    padding: clamp(60px, 10vw, 120px) 0;
    background: var(--white);
}

/* Masonry grid */
.gallery {
    columns: 3;
    column-gap: 16px;
}

.gallery-item {
    break-inside: avoid;
    margin-bottom: 16px;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    background: var(--gray-100);
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                filter 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.06);
    filter: brightness(0.75);
}

/* Expand icon overlay */
.gallery-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

.gallery-overlay i {
    color: var(--white);
    font-size: 1.8rem;
    background: rgba(0, 0, 0, 0.4);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transform: scale(0.7);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.35s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover .gallery-overlay i {
    transform: scale(1);
}

/* Staggered reveal for gallery items */
.gallery-item.reveal {
    opacity: 0;
    transform: translateY(40px);
}

.gallery-item.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item:nth-child(1) { transition-delay: 0.00s; }
.gallery-item:nth-child(2) { transition-delay: 0.07s; }
.gallery-item:nth-child(3) { transition-delay: 0.14s; }
.gallery-item:nth-child(4) { transition-delay: 0.21s; }
.gallery-item:nth-child(5) { transition-delay: 0.28s; }
.gallery-item:nth-child(6) { transition-delay: 0.35s; }
.gallery-item:nth-child(7) { transition-delay: 0.42s; }
.gallery-item:nth-child(8) { transition-delay: 0.49s; }
.gallery-item:nth-child(9) { transition-delay: 0.56s; }

/* ===========================
   LIGHTBOX
   =========================== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.5);
    transform: scale(0.92);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.lightbox.active .lightbox-img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2.5rem;
    cursor: pointer;
    z-index: 2010;
    transition: var(--transition);
    line-height: 1;
    opacity: 0.7;
}

.lightbox-close:hover {
    opacity: 1;
    transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--white);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    cursor: pointer;
    font-size: 1.3rem;
    z-index: 2010;
    transition: var(--transition);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 2px;
}

/* ===========================
   CONTACT SECTION
   =========================== */
.contact {
    padding: clamp(60px, 10vw, 120px) 0;
    background: var(--gray-50);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item i {
    color: var(--black);
    font-size: 1.25rem;
    width: 28px;
    margin-top: 4px;
    text-align: center;
}

.contact-item h3 {
    color: var(--black);
    margin-bottom: 4px;
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-item p {
    color: var(--gray-500);
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 2rem;
}

.social-link {
    width: 46px;
    height: 46px;
    background: var(--black);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    font-size: 1.1rem;
}

.social-link:hover {
    background: var(--gray-700);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: var(--transition);
    font-family: inherit;
    color: var(--gray-800);
    background: var(--gray-50);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--black);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06);
}

.form-group textarea {
    resize: vertical;
    min-height: 130px;
}

.contact-form .btn {
    width: 100%;
    border-color: var(--black);
    background: var(--black);
    color: var(--white);
}

.contact-form .btn:hover {
    background: var(--gray-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
    background: var(--black);
    color: var(--gray-400);
    padding: 2.5rem 0;
}

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

.footer-text p {
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9rem;
    transition: var(--transition);
    font-weight: 500;
}

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

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

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Scroll-triggered fade-in (applied via JS) */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================
   RESPONSIVE — TABLET
   =========================== */
@media (max-width: 768px) {
    .hero-container {
        padding: 0 2rem;
    }

    .hero-title {
        font-size: clamp(2.5rem, 7vw, 4rem);
    }

    .hero-subtitle {
        font-size: clamp(0.85rem, 2.5vw, 1.1rem);
        letter-spacing: 2px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .btn {
        width: 100%;
        padding: 14px 24px;
        text-align: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image {
        order: -1;
    }

    .profile-image {
        max-width: 320px;
    }

    .gallery {
        columns: 2;
    }

    .lightbox-prev { left: 10px; }
    .lightbox-next { right: 10px; }

    .skills {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ===========================
   RESPONSIVE — MOBILE
   =========================== */
@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(2rem, 6vw, 3rem);
    }

    .hero-subtitle {
        font-size: 0.85rem;
        letter-spacing: 1.5px;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.85rem;
    }

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

    .gallery {
        columns: 1;
    }

    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .accent-strip .inner {
        font-size: 0.75rem;
        gap: 1.5rem;
    }

    .hero-video-overlay {
        background: linear-gradient(
            180deg,
            rgba(0, 0, 0, 0.5) 0%,
            rgba(0, 0, 0, 0.65) 100%
        );
    }

    .contact-form {
        padding: 1.5rem;
    }
}

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

.btn:focus-visible,
.nav-link:focus-visible,
.filter-btn:focus-visible,
.social-link:focus-visible {
    outline: 2px solid var(--black);
    outline-offset: 3px;
}

@media (prefers-contrast: high) {
    .hero {
        background: #000;
    }

    .btn-secondary {
        border-color: #fff;
    }

    .hero-video-overlay {
        background: rgba(0, 0, 0, 0.7);
    }
}

@media (prefers-reduced-data: reduce) {
    .hero-video {
        display: none;
    }
}