/* ==========================================================================
   Alternative Vista — Main Stylesheet
   REPLACE: color tokens in :root to rebrand
   REPLACE: font-family variables for typography changes
   ========================================================================== */

:root {
    /* ── Brand colors — edit these to rebrand ── */
    --color-bg: #050508;
    --color-bg-elevated: #0c0c14;
    --color-surface: rgba(255, 255, 255, 0.03);
    --color-surface-hover: rgba(255, 255, 255, 0.06);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-glow: rgba(120, 180, 255, 0.25);
    --color-text: #e8e8f0;
    --color-text-muted: #8888a0;
    --color-accent: #5eb8ff;
    --color-accent-secondary: #a78bfa;
    --color-accent-warm: #f0abfc;

    /* Mood gradient defaults — overridden by body[data-mood] */
    --mood-orb-1: rgba(94, 184, 255, 0.18);
    --mood-orb-2: rgba(167, 139, 250, 0.14);
    --mood-orb-3: rgba(240, 171, 252, 0.1);
    --mood-accent: var(--color-accent);

    /* ── Typography ── */
    --font-display: "Syne", system-ui, sans-serif;
    --font-body: "DM Sans", system-ui, sans-serif;

    /* ── Layout ── */
    --container-max: 1200px;
    --section-padding: clamp(5rem, 12vw, 8rem);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    /* ── Motion ── */
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --transition-fast: 0.2s var(--ease-out);
    --transition-med: 0.4s var(--ease-out);
}

/* ── Mood palette overrides — synced with script.js MOODS ── */
body[data-mood="dreamy"] {
    --mood-orb-1: rgba(180, 160, 255, 0.22);
    --mood-orb-2: rgba(120, 200, 255, 0.16);
    --mood-orb-3: rgba(255, 200, 230, 0.12);
    --mood-accent: #c4b5fd;
}

body[data-mood="energetic"] {
    --mood-orb-1: rgba(255, 80, 120, 0.2);
    --mood-orb-2: rgba(255, 180, 50, 0.18);
    --mood-orb-3: rgba(255, 60, 180, 0.12);
    --mood-accent: #ff6b9d;
}

body[data-mood="ritual"] {
    --mood-orb-1: rgba(180, 120, 60, 0.2);
    --mood-orb-2: rgba(80, 40, 120, 0.18);
    --mood-orb-3: rgba(200, 80, 40, 0.1);
    --mood-accent: #c9956a;
}

body[data-mood="futuristic"] {
    --mood-orb-1: rgba(0, 220, 255, 0.2);
    --mood-orb-2: rgba(0, 100, 255, 0.16);
    --mood-orb-3: rgba(180, 0, 255, 0.1);
    --mood-accent: #00d4ff;
}

body[data-mood="playful"] {
    --mood-orb-1: rgba(255, 220, 80, 0.2);
    --mood-orb-2: rgba(80, 220, 180, 0.16);
    --mood-orb-3: rgba(255, 120, 200, 0.12);
    --mood-accent: #fde047;
}

body[data-mood="cinematic"] {
    --mood-orb-1: rgba(40, 60, 100, 0.25);
    --mood-orb-2: rgba(180, 40, 60, 0.15);
    --mood-orb-3: rgba(20, 20, 40, 0.2);
    --mood-accent: #b44a5a;
}

/* ── Reset & base ── */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
    transition: background 0.8s var(--ease-out);
}

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

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

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

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

/* ── Particle canvas ── */
#particle-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.7;
}

/* ── Gradient backdrop ── */
.gradient-backdrop {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    transition: background 1.2s var(--ease-out), opacity 1.2s var(--ease-out);
    animation: orbFloat 14s ease-in-out infinite;
}

.orb-1 {
    width: 55vw;
    height: 55vw;
    max-width: 600px;
    max-height: 600px;
    top: -10%;
    left: -15%;
    background: radial-gradient(circle, var(--mood-orb-1) 0%, transparent 70%);
}

.orb-2 {
    width: 45vw;
    height: 45vw;
    max-width: 500px;
    max-height: 500px;
    top: 40%;
    right: -10%;
    background: radial-gradient(circle, var(--mood-orb-2) 0%, transparent 70%);
    animation-delay: -5s;
}

.orb-3 {
    width: 35vw;
    height: 35vw;
    max-width: 400px;
    max-height: 400px;
    bottom: -5%;
    left: 30%;
    background: radial-gradient(circle, var(--mood-orb-3) 0%, transparent 70%);
    animation-delay: -9s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 15px) scale(0.95); }
}

/* ── Layout helpers ── */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.section {
    position: relative;
    z-index: 1;
    padding: var(--section-padding) 0;
}

.section-header {
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header--center {
    text-align: center;
}

.section-label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--mood-accent);
    margin-bottom: 0.75rem;
    transition: color 0.8s var(--ease-out);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700;
    line-height: 1.1;
    margin: 0;
    letter-spacing: -0.02em;
}

/* ── Header / Nav ── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 0;
    transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
    border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
    background: rgba(5, 5, 8, 0.75);
    backdrop-filter: blur(16px);
    border-bottom-color: var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 101;
}

.nav-logo-img {
    height: 36px;
    width: auto;
    filter: drop-shadow(0 0 12px rgba(94, 184, 255, 0.3));
    transition: filter var(--transition-med);
}

.nav-logo:hover .nav-logo-img {
    filter: drop-shadow(0 0 20px rgba(94, 184, 255, 0.5));
}

.nav-logo-text {
    display: none;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.04em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: clamp(1.25rem, 3vw, 2.5rem);
}

.nav-menu a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--mood-accent);
    transition: width var(--transition-med), background 0.8s;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
    color: var(--color-text);
}

.nav-menu a:hover::after,
.nav-menu a:focus-visible::after {
    width: 100%;
}

.nav-cta {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: 100px;
    color: var(--color-text) !important;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    border-color: var(--mood-accent);
    box-shadow: 0 0 20px rgba(94, 184, 255, 0.15);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    z-index: 101;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.is-open span:first-child {
    transform: translateY(4px) rotate(45deg);
}

.nav-toggle.is-open span:last-child {
    transform: translateY(-4px) rotate(-45deg);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    border-radius: 100px;
    transition: transform var(--transition-fast), box-shadow var(--transition-med), background var(--transition-fast), border-color var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
    color: #fff;
    box-shadow: 0 4px 24px rgba(94, 184, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(94, 184, 255, 0.35);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--mood-accent);
    box-shadow: 0 0 24px rgba(94, 184, 255, 0.1);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

/* ── Hero ── */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    padding-top: 6rem;
}

.hero-inner {
    max-width: 900px;
}

.hero-eyebrow {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--mood-accent);
    margin-bottom: 1.5rem;
    transition: color 0.8s var(--ease-out);
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.1s forwards;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 6.5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin: 0 0 1.5rem;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.25s forwards;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-text-muted);
    max-width: 620px;
    line-height: 1.7;
    margin: 0 0 2.5rem;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.4s forwards;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.55s forwards;
}

.hero-scroll-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-top: clamp(4rem, 10vw, 8rem);
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.8s forwards;
}

.hero-scroll-hint span {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--mood-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; transform: scaleY(0.6); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

/* ── Services ── */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.service-card {
    position: relative;
    padding: 2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition-med), border-color var(--transition-med), background var(--transition-med);
    cursor: default;
}

.service-card-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(94, 184, 255, 0.08) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-med);
    pointer-events: none;
}

.service-card:hover,
.service-card:focus-visible {
    transform: translateY(-4px);
    border-color: var(--color-border-glow);
    background: var(--color-surface-hover);
}

.service-card:hover .service-card-glow,
.service-card:focus-visible .service-card-glow {
    opacity: 1;
}

.service-icon {
    width: 48px;
    height: 48px;
    color: var(--mood-accent);
    margin-bottom: 1.25rem;
    transition: color 0.8s, transform var(--transition-med);
}

.service-card:hover .service-icon {
    transform: scale(1.08);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
}

.service-card p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.65;
}

/* ── Work / Portfolio ── */
.work-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.work-card {
    display: grid;
    grid-template-columns: 1fr;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition-med), box-shadow var(--transition-med);
}

.work-card:hover {
    border-color: var(--color-border-glow);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(94, 184, 255, 0.05);
}

.work-media {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    position: relative;
}

/* REPLACE: remove .media-placeholder when adding real images/videos */
.media-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(135deg, rgba(94, 184, 255, 0.08) 0%, rgba(167, 139, 250, 0.06) 50%, rgba(5, 5, 8, 0.4) 100%),
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 12px,
            rgba(255, 255, 255, 0.02) 12px,
            rgba(255, 255, 255, 0.02) 13px
        );
    transition: transform 0.6s var(--ease-out);
}

.work-card:hover .media-placeholder,
.work-card:hover .work-media img,
.work-card:hover .work-media video {
    transform: scale(1.03);
}

.work-media img,
.work-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.media-placeholder-label {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    padding: 1rem 1.5rem;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-sm);
}

.work-body {
    padding: 1.75rem;
}

.work-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--mood-accent);
    margin-bottom: 0.5rem;
    transition: color 0.8s;
}

.work-body h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
}

.work-body p {
    margin: 0 0 1.25rem;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.65;
}

.work-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.work-tools li {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.35rem 0.75rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    color: var(--color-text-muted);
}

/* ── Mood selector ── */
.mood {
    text-align: center;
}

.mood-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.mood-btn {
    padding: 0.75rem 1.5rem;
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.mood-btn:hover {
    color: var(--color-text);
    border-color: var(--color-border-glow);
    transform: translateY(-2px);
}

.mood-btn.is-active {
    color: #fff;
    background: linear-gradient(135deg, var(--mood-accent), var(--color-accent-secondary));
    border-color: transparent;
    box-shadow: 0 4px 24px rgba(94, 184, 255, 0.2);
}

.mood-output {
    max-width: 640px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mood-description {
    margin: 0;
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text);
    transition: opacity 0.3s;
}

.mood-description.is-fading {
    opacity: 0;
}

/* ── About ── */
.about-grid {
    display: grid;
    gap: 2rem;
}

.about-content {
    display: grid;
    gap: 2rem;
    align-items: center;
}

.about-text {
    font-size: clamp(1.05rem, 2vw, 1.2rem);
    line-height: 1.8;
    color: var(--color-text-muted);
    margin: 0;
    max-width: 720px;
}

.about-visual {
    position: relative;
    height: 200px;
    display: none;
}

.about-orb {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--mood-orb-1) 0%, transparent 70%);
    filter: blur(2px);
    animation: orbFloat 10s ease-in-out infinite;
}

/* ── Contact ── */
.contact-card {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
    padding: clamp(2.5rem, 6vw, 4rem);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 0 60px rgba(94, 184, 255, 0.05);
}

.contact-intro {
    color: var(--color-text-muted);
    margin: 0 0 2rem;
    font-size: 1.05rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.contact-link {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.contact-link:hover {
    background: var(--color-surface-hover);
}

.contact-link-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.contact-link-value {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--mood-accent);
    transition: color 0.8s;
}

/* ── Footer ── */
.site-footer {
    position: relative;
    z-index: 1;
    padding: 2rem 0;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.footer-inner p {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.footer-top {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-top:hover {
    color: var(--mood-accent);
}

/* ── Scroll reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* ── Responsive: tablet+ ── */
@media (min-width: 600px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .work-card--wide {
        grid-column: 1 / -1;
    }

    .work-card--wide {
        grid-template-columns: 1.2fr 1fr;
    }

    .work-card--wide .work-media {
        aspect-ratio: auto;
        min-height: 280px;
    }
}

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

    .about-visual {
        display: block;
    }

    .contact-links {
        flex-direction: row;
        justify-content: center;
    }

    .contact-link {
        flex: 1;
        max-width: 260px;
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ── Mobile nav ── */
@media (max-width: 767px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        inset: 0;
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        background: rgba(5, 5, 8, 0.95);
        backdrop-filter: blur(20px);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s, visibility 0.3s;
    }

    .nav-menu.is-open {
        opacity: 1;
        visibility: visible;
    }

    .nav-menu a {
        font-size: 1.25rem;
    }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}