/* ========================
   CSS Variables & Reset
   ======================== */
:root {
    --color-primary: #0a0a0a;
    --color-secondary: #ffffff;
    --color-accent: #2962ff;
    --color-text: #1a1a1a;
    --color-text-light: #666666;
    --color-border: #e0e0e0;
    --color-hover: #f5f5f5;

    --font-primary: 'Inter Tight', sans-serif;
    --font-display: 'DM Serif Display', serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;

    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    --border-radius: 0.5rem;
    --max-width: 1400px;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-secondary);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
}

/* ========================
   Accessibility
   ======================== */
/* Skip to content link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-secondary);
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Focus indicators for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Remove default focus outline but keep for keyboard users */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}

@media (max-width: 768px) {
    body {
        cursor: auto;
    }
}

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

a {
    text-decoration: none;
    color: inherit;
}

button {
    border: none;
    background: none;
    font-family: inherit;
    cursor: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================
   Custom Cursor
   ======================== */
.cursor,
.cursor-follower {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transition: transform 0.2s ease, opacity 0.3s ease;
}

.cursor {
    width: 10px;
    height: 10px;
    background: var(--color-secondary);
    transform: translate(-50%, -50%);
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-secondary);
    transform: translate(-50%, -50%) scale(1);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.cursor-follower.hover {
    transform: translate(-50%, -50%) scale(1.5);
}

@media (max-width: 768px) {
    .cursor,
    .cursor-follower {
        display: none;
    }
}

/* ========================
   Navigation
   ======================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-medium);
}

.nav.scrolled {
    border-bottom-color: var(--color-border);
}

.nav-logo {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

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

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-medium);
}

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

.nav-link-cta {
    padding: 0.5rem 1.25rem;
    background: var(--color-primary);
    color: var(--color-secondary);
    border-radius: 2rem;
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    background: var(--color-accent);
    transform: translateY(-2px);
}

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

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--color-secondary);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        transition: transform var(--transition-medium), opacity var(--transition-medium);
        pointer-events: none;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-menu li {
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-toggle {
        display: flex;
    }
}

/* ========================
   Hero Section
   ======================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-2xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(41, 98, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(41, 98, 255, 0.03) 0%, transparent 50%);
    z-index: -1;
}

.hero-content {
    max-width: 1000px;
    text-align: center;
    animation: fadeInUp 1s ease;
}

.hero-eyebrow {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-primary);
    color: var(--color-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 2rem;
    margin-bottom: var(--spacing-md);
    animation: fadeIn 0.3s ease backwards;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5.5rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

.hero-title-line {
    display: block;
    overflow: hidden;
}

.hero-title-line span {
    display: inline-block;
    animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.hero-title-line:nth-child(1) {
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.hero-title-line:nth-child(2) {
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.05s backwards;
}

.hero-title-line:nth-child(3) {
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s backwards;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    animation: fadeIn 0.3s ease 0.15s backwards;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeIn 0.3s ease 0.2s backwards;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-text-light);
    animation: fadeIn 0.4s ease 0.3s backwards;
}

.scroll-indicator {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-text-light), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

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

@media (max-width: 768px) {
    .hero-scroll {
        bottom: var(--spacing-sm);
    }

    /* Disable hero animations on mobile for immediate content display */
    .hero-eyebrow,
    .hero-title-line,
    .hero-subtitle,
    .hero-cta,
    .hero-scroll {
        animation: none;
    }
}

/* ========================
   Buttons
   ======================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 3rem;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

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

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--color-accent);
    transform: translate(-50%, -50%);
    transition: width var(--transition-medium), height var(--transition-medium);
    z-index: -1;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-secondary);
    transform: translateY(-3px);
}

/* ========================
   Work Section
   ======================== */
.work {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

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

.work-item {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.work-item-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    aspect-ratio: 4/5;
    background: var(--color-hover);
    cursor: pointer;
}

.work-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.work-item:hover .work-item-image img {
    transform: scale(1.05);
}

.work-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(41, 98, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

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

.work-item-view {
    color: var(--color-secondary);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transform: translateY(10px);
    transition: transform var(--transition-medium);
}

.work-item:hover .work-item-view {
    transform: translateY(0);
}

.work-item-info {
    margin-top: var(--spacing-sm);
}

.work-item-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.work-item-category {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

/* ========================
   Capabilities Section
   ======================== */
.capabilities {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.capabilities::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background:
        radial-gradient(circle at 30% 20%, rgba(41, 98, 255, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 70% 80%, rgba(41, 98, 255, 0.02) 0%, transparent 40%);
    pointer-events: none;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

@media (max-width: 968px) {
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 568px) {
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
}

.capability-item {
    padding: var(--spacing-lg);
    background: var(--color-secondary);
    border-radius: 12px;
    border: 1px solid rgba(41, 98, 255, 0.08);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.capability-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), #00bcd4);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-medium);
}

.capability-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(41, 98, 255, 0.12);
    border-color: rgba(41, 98, 255, 0.15);
}

.capability-item:hover::before {
    transform: scaleX(1);
}

.capability-number {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(41, 98, 255, 0.08);
    border-radius: 2rem;
    transition: all var(--transition-fast);
}

.capability-item:hover .capability-number {
    background: var(--color-accent);
    color: var(--color-secondary);
    transform: translateX(4px);
}

.capability-title {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.capability-item:hover .capability-title {
    color: var(--color-accent);
}

.capability-desc {
    color: var(--color-text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ========================
   About Section
   ======================== */
.about {
    padding: var(--spacing-2xl) 0;
}

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

@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

.about-image {
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 2px solid var(--color-accent);
    border-radius: var(--border-radius);
    z-index: -1;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    filter: grayscale(20%);
}

.about-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

.about-text {
    margin-bottom: var(--spacing-lg);
}

.about-text p {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

@media (max-width: 568px) {
    .about-stats {
        grid-template-columns: 1fr;
    }
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ========================
   Contact Section
   ======================== */
.contact {
    padding: var(--spacing-2xl) 0;
    background: var(--color-primary);
    color: var(--color-secondary);
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
}

.contact-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xl);
}

.contact-email {
    display: inline-block;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    position: relative;
    transition: color var(--transition-fast);
}

.contact-email::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-medium);
}

.contact-email:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.contact-socials {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.social-link {
    font-size: 1.1rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 3rem;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-secondary);
    color: var(--color-primary);
    border-color: var(--color-secondary);
    transform: translateY(-3px);
}

/* ========================
   Footer
   ======================== */
.footer {
    padding: var(--spacing-lg) 0;
    background: var(--color-primary);
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    font-size: 0.9rem;
}

.footer-content p {
    margin-bottom: 0.25rem;
}

/* ========================
   Lightbox
   ======================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-medium);
}

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

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--border-radius);
}

.lightbox-info {
    margin-top: var(--spacing-md);
    text-align: center;
    color: var(--color-secondary);
}

.lightbox-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.lightbox-category {
    color: rgba(255, 255, 255, 0.7);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    color: var(--color-secondary);
    font-size: 3rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.lightbox-close {
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.lightbox-prev {
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

@media (max-width: 768px) {
    .lightbox-close,
    .lightbox-prev,
    .lightbox-next {
        width: 45px;
        height: 45px;
        font-size: 2rem;
    }

    .lightbox-prev {
        left: var(--spacing-sm);
    }

    .lightbox-next {
        right: var(--spacing-sm);
    }
}

/* ========================
   Animations
   ======================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

/* ========================
   Utility Classes
   ======================== */
.text-center {
    text-align: center;
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}