/* ==========================================================================
   HIATO — Creative Technology Studio
   ========================================================================== */

/* CSS Variables */
:root {
    --color-bg: #0a0a0a;
    --color-bg-elevated: #111111;
    --color-text: #ffffff;
    --color-text-muted: #888888;
    --color-text-subtle: #555555;
    --color-accent: #00a8ff;
    --color-accent-glow: rgba(0, 168, 255, 0.3);
    
    --font-display: 'Syne', sans-serif;
    --font-body: 'Outfit', sans-serif;
    
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    --space-2xl: 12rem;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    font-weight: 300;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-lg);
    }
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    mix-blend-mode: difference;
}

.nav-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.2em;
}

.nav-links {
    display: none;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-links a {
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.nav-links a:hover {
    opacity: 1;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all 0.3s ease;
}

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

.nav-toggle.active span:last-child {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    background: var(--color-bg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s var(--ease-out-expo);
}

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

.mobile-menu a {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.5s var(--ease-out-expo);
}

.mobile-menu.active a {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu.active a:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active a:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active a:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active a:nth-child(4) { transition-delay: 0.25s; }

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-bg);
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: radial-gradient(
        ellipse at center,
        transparent 0%,
        rgba(10, 10, 10, 0.3) 50%,
        rgba(10, 10, 10, 0.7) 100%
    );
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-md);
}

.hero-logo {
    font-family: var(--font-display);
    font-size: clamp(4rem, 15vw, 12rem);
    font-weight: 800;
    letter-spacing: 0.3em;
    line-height: 1;
    margin-left: 0.3em; /* Compensate for letter-spacing */
    animation: fadeInUp 1.2s var(--ease-out-expo) 0.3s both;
}

.hero-tagline {
    font-size: clamp(0.875rem, 2vw, 1.125rem);
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-top: var(--space-md);
    animation: fadeInUp 1.2s var(--ease-out-expo) 0.5s both;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

/* Mobile hero adjustments */
@media (max-width: 767px) {
    .hero-content {
        padding: var(--space-md) var(--space-lg);
        max-width: 100%;
    }
    
    .hero-tagline {
        letter-spacing: 0.05em;
        padding: 0 var(--space-sm);
        max-width: 100%;
    }
}

/* Small phones (iPhone SE, etc.) */
@media (max-width: 480px) {
    .hero-content {
        padding: var(--space-md) var(--space-sm);
    }
    
    .hero-tagline {
        font-size: 0.75rem;
        letter-spacing: 0.03em;
        line-height: 1.5;
        padding: 0 var(--space-xs);
    }
    
    .hero-logo {
        font-size: 15vw;
        letter-spacing: 0.1em;
        margin-left: 0;
    }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    animation: fadeIn 1s ease 1.5s both;
}

.scroll-indicator span {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(
        180deg,
        var(--color-text-muted) 0%,
        transparent 100%
    );
    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 Titles
   ========================================================================== */

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xl);
}

/* ==========================================================================
   Work Section
   ========================================================================== */

.work {
    padding: var(--space-2xl) 0;
}

.work-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .work-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .work-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
}

.work-item {
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.work-image {
    position: relative;
    aspect-ratio: 4/5;
    overflow: hidden;
}

.work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease-out-expo);
}

.work-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(10, 10, 10, 0.8) 100%
    );
    opacity: 0.6;
    transition: opacity 0.5s ease;
}

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

.work-item:hover .work-overlay {
    opacity: 0.9;
}

.work-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-md);
    transform: translateY(10px);
    opacity: 0.8;
    transition: all 0.5s var(--ease-out-expo);
}

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

.work-category {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.work-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.1em;
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about {
    padding: var(--space-2xl) 0;
    background: var(--color-bg-elevated);
}

.about-content {
    max-width: 900px;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.about-lead {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 500;
    line-height: 1.4;
}

.about-text p:last-child {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    line-height: 1.8;
}

/* ==========================================================================
   Services Section
   ========================================================================== */

.services {
    padding: var(--space-2xl) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }
}

.service-item {
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.service-number {
    display: block;
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-sm);
}

.service-desc {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact {
    padding: var(--space-2xl) 0;
    background: var(--color-bg-elevated);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.contact-email {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-email:hover {
    color: var(--color-accent);
}

.contact-location {
    color: var(--color-text-muted);
    font-size: 1rem;
}

.contact-social {
    display: flex;
    gap: var(--space-md);
}

.contact-social a {
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    position: relative;
}

.contact-social a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width 0.3s var(--ease-out-expo);
}

.contact-social a:hover {
    color: var(--color-text);
}

.contact-social a:hover::after {
    width: 100%;
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm) 0;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    outline: none;
    transition: border-color 0.3s ease;
}

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

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    align-self: flex-start;
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-bg);
    background: var(--color-text);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background: var(--color-accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    padding: var(--space-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.2em;
}

.footer-credit,
.footer-copy {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-credit a {
    color: var(--color-text);
    transition: color 0.3s ease;
}

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

/* ==========================================================================
   Lightbox
   ========================================================================== */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 10, 0.95);
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s var(--ease-out-expo);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 2rem;
    color: var(--color-text);
    background: none;
    border: none;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.lightbox-close:hover {
    opacity: 1;
}

.lightbox-content {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 95vw;
    max-height: 95vh;
    transform: scale(0.95);
    opacity: 0;
    transition: all 0.5s var(--ease-out-expo) 0.1s;
}

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

.lightbox-image img {
    max-width: 95vw;
    max-height: 90vh;
    object-fit: contain;
}

/* ==========================================================================
   Animations
   ========================================================================== */

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

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

/* Scroll Animations */
[data-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out-expo), 
                transform 0.8s var(--ease-out-expo);
}

[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animations for grid items */
.work-item[data-animate]:nth-child(1) { transition-delay: 0.1s; }
.work-item[data-animate]:nth-child(2) { transition-delay: 0.2s; }
.work-item[data-animate]:nth-child(3) { transition-delay: 0.3s; }
.work-item[data-animate]:nth-child(4) { transition-delay: 0.4s; }
.work-item[data-animate]:nth-child(5) { transition-delay: 0.5s; }
.work-item[data-animate]:nth-child(6) { transition-delay: 0.6s; }

.service-item[data-animate]:nth-child(1) { transition-delay: 0.1s; }
.service-item[data-animate]:nth-child(2) { transition-delay: 0.2s; }
.service-item[data-animate]:nth-child(3) { transition-delay: 0.3s; }
.service-item[data-animate]:nth-child(4) { transition-delay: 0.4s; }

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}