/* ==========================================
   CO.LLECTIV - Main Styles
   ========================================== */

:root {
    /* Colors */
    --color-bg: #0a0a0a;
    --color-bg-elevated: #111111;
    --color-text: #ffffff;
    --color-text-muted: #888888;
    --color-accent: #ff8c00;
    --color-accent-dim: rgba(255, 140, 0, 0.1);

    /* Typography */
    --font-main: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

    /* Breakpoints & layout */
    --bp-xs: 540px;   /* mobile */
    --bp-sm: 796px;   /* small tablet */
    --bp-md: 968px;   /* tablet */
    --container-max: 1400px;
    --card-min: 350px;
}

/* ==========================================
   Reset & Base
   ========================================== */

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

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

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

/* Show default cursor on touch devices */
@media (hover: none) {
    body {
        cursor: auto;
    }
}

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

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

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

/* ==========================================
   Custom Cursor
   ========================================== */

.cursor {
    width: 32px;
    height: 32px;
    background: var(--color-accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease, opacity 0.2s ease;
    mix-blend-mode: difference;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease-out, width 0.3s ease, height 0.3s ease, opacity 0.2s ease;
    opacity: 0.5;
    transform: translate(-50%, -50%) scale(2);
}

.cursor.hovering {
    transform: translate(-50%, -50%) scale(2);
}

.cursor-follower.hovering {
    width: 60px;
    height: 60px;
    opacity: 0.3;
}

@media (hover: none) {
    .cursor, .cursor-follower {
        display: none;
    }
}

/* ==========================================
   Layout
   ========================================== */

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

.section-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

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

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    /* Responsive padding that scales with viewport */
    padding: clamp(var(--space-sm), 2vw, var(--space-md)) clamp(var(--space-md), 4vw, var(--space-lg));
    mix-blend-mode: difference;
    opacity: 0;
    animation: fadeIn 0.8s ease 2.5s forwards;
}

.nav-logo {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-link {
    font-size: clamp(0.75rem, 1.6vw, 0.875rem);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.nav-link:hover {
    opacity: 1;
}

.nav-social {
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.nav-social:hover {
    opacity: 1;
}

@media (max-width: var(--bp-sm)) {
    .nav {
        padding: var(--space-sm) var(--space-md);
    }

    .nav-links {
        display: none;
    }
}

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

.hero {
    /* Use dynamic viewport height to correctly resize on mobile address bar changes */
    min-height: calc(var(--vh, 1vh) * 100);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: calc(var(--vh, 1vh) * 100);
    z-index: 1;
    pointer-events: none;
}

.hero-canvas-container canvas {
    pointer-events: auto;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-md);
    /* Dynamic margin to keep content comfortably below fixed nav */
    margin-top: calc(var(--vh, 1vh) * 15);
}

.hero-tagline {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 2.5s forwards;
    mix-blend-mode: difference;
}

.hero-title {
    font-size: clamp(2.5rem, 10vw, 7rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
}

.hero-title-line {
    display: block;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 0.8s ease forwards;
}

.hero-title-line:nth-child(1) {
    animation-delay: 2.7s;
}

.hero-title-line:nth-child(2) {
    animation-delay: 2.9s;
    color: var(--color-accent);
}

.hero-location {
    font-size: 1rem;
    color: var(--color-text);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 3.1s forwards;
    mix-blend-mode: difference;
    margin-top: 50%;
}

.scroll-indicator {
    position: absolute;
    bottom: 2%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    opacity: 0;
    animation: fadeIn 1s ease 3.5s forwards;
}

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

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

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

.about {
    padding: var(--space-xl) 0;
    background: var(--color-bg);
    position: relative;
    z-index: 10;
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

.about-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: var(--space-md);
}

.highlight {
    color: var(--color-accent);
}

.about-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 600px;
}

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

.stat {
    text-align: left;
}

.stat-number {
    display: block;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

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

    .about-stats {
        flex-direction: row;
        justify-content: space-between;
    }
}

@media (max-width: var(--bp-xs)) {
    .about-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
}

/* ==========================================
   Projects Section
   ========================================== */

.projects {
    padding: var(--space-xl) 0;
    background: var(--color-bg-elevated);
    position: relative;
    z-index: 10;
}

.projects-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(var(--card-min), 1fr));
    gap: var(--space-md);
}

.project-card {
    background: var(--color-bg);
    border-radius: 12px;
    overflow: hidden;
}

/* Flip Card Styles */
.flip-card {
    perspective: 1000px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    aspect-ratio: 1/1;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                aspect-ratio 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
    aspect-ratio: 3/4;
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    overflow: hidden;
    border-radius: 8px;
}

.flip-card-front {
    background: var(--color-bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
}

.flip-card-front img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--space-md);
}

.flip-card-back {
    background: var(--color-bg-elevated);
    transform: rotateY(180deg);
}

.flip-card-back img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-info {
    padding: var(--space-md);
}

.project-tag {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    background: var(--color-accent-dim);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    margin-bottom: var(--space-sm);
}

.project-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.project-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

@media (max-width: var(--bp-xs)) {
    .projects-grid {
        grid-template-columns: 1fr;
    }

    /* Mobile: show only the first event by default */
    .projects-grid .project-card {
        display: none;
    }
    .projects-grid .project-card:first-child {
        display: block;
    }
    /* When expanded, show all cards */
    .projects-grid.expanded .project-card {
        display: block;
    }

    /* Mobile-only See More button */
    .projects-see-more {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: var(--space-sm);
        background: var(--color-accent);
        color: var(--color-bg);
        border: none;
        border-radius: 100px;
        padding: var(--space-sm) var(--space-md);
        font-size: 1rem;
        font-weight: 600;
        margin-top: var(--space-md);
        transition: transform var(--transition-fast), gap var(--transition-fast);
        cursor: none;
    }
    .projects-see-more:hover {
        transform: scale(1.02);
        gap: 1.25rem;
    }
}

/* Hide See More button on larger screens */
@media (min-width: var(--bp-sm)) {
    .projects-see-more {
        display: none !important;
    }
}

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

.contact {
    padding: var(--space-xl) 0;
    background: var(--color-bg);
    position: relative;
    z-index: 10;
}

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

.contact-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.contact-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

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

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    color: var(--color-accent);
    transition: gap var(--transition-fast);
}

.contact-link:hover {
    gap: 0.75rem;
}

/* Ensure icons have consistent size and don't shrink */
.contact-link svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
    background: var(--color-bg-elevated);
    border: 1px solid transparent;
    border-radius: 8px;
    padding: var(--space-sm);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text);
    transition: border-color var(--transition-fast);
    cursor: none;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

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

.form-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background: var(--color-accent);
    color: var(--color-bg);
    border: none;
    border-radius: 100px;
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
    font-weight: 600;
    transition: transform var(--transition-fast), gap var(--transition-fast);
    align-self: flex-start;
}

.form-submit:hover {
    transform: scale(1.02);
    gap: 1.25rem;
}

@media (max-width: var(--bp-md)) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

/* Mobile: allow contact links to wrap to new lines to avoid overflow */
@media (max-width: var(--bp-xs)) {
    .contact-links {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }
}

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

.footer {
    padding: var(--space-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--color-bg);
    position: relative;
    z-index: 10;
}

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

.footer-logo {
    font-size: 1.25rem;
    font-weight: 600;
}

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

@media (max-width: var(--bp-xs)) {
    .footer-content {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

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

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

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

@keyframes scrollPulse {
    0%, 100% {
        opacity: 1;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.5;
        transform: scaleY(0.8);
    }
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ==========================================
   Grain Overlay
   ========================================== */

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9000;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
}

/* ==========================================
   Selection
   ========================================== */

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