/* ============================================================
   QUANTUM FIELD MEDITATION — Grid → Dissolve Design System
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;500&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-base: #FAFAFA;
  --color-base-alt: #F0F0F0;
  --color-grey: #E8E8E8;
  --color-grey-mid: #B0B0B0;
  --color-contrast: #0A0A0A;
  --color-contrast-soft: #1A1A2E;
  --color-blue: #1A2742;
  --color-purple: #7B2FBE;
  --color-purple-light: #9B5FDE;
  --color-purple-glow: rgba(123, 47, 190, 0.3);
  --color-purple-subtle: rgba(123, 47, 190, 0.08);
  --color-white: #FFFFFF;
  --color-overlay: rgba(10, 10, 10, 0.85);

  /* Typography */
  --font-primary: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Grid */
  --grid-gap: 1.5rem;
  --grid-line-color: rgba(123, 47, 190, 0.15);
  --grid-line-strong: rgba(123, 47, 190, 0.35);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);

  /* Borders */
  --border-thin: 1px solid var(--grid-line-color);
  --border-strong: 1px solid var(--grid-line-strong);
  --border-accent: 2px solid var(--color-purple);

  /* Shadows */
  --shadow-subtle: 0 2px 20px rgba(0, 0, 0, 0.04);
  --shadow-medium: 0 4px 40px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 30px var(--color-purple-glow);
  --shadow-glow-strong: 0 0 60px var(--color-purple-glow), 0 0 120px rgba(123, 47, 190, 0.1);
}

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

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-base);
  color: var(--color-contrast);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); }
h4 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p {
  font-size: 1.05rem;
  color: var(--color-contrast-soft);
}

.page-hero p {
  max-width: 680px;
}

.hero p {
  max-width: 600px;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-purple);
  font-weight: 500;
}

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 250, 250, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: var(--border-thin);
  transition: background var(--transition-smooth);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.brand-icon {
  width: 36px;
  height: 36px;
  border: 2px solid var(--color-purple);
  display: grid;
  place-items: center;
  position: relative;
}

.brand-icon::before {
  content: '';
  width: 12px;
  height: 12px;
  background: var(--color-purple);
  transform: rotate(45deg);
}

.brand-name {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-name span {
  color: var(--color-purple);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-contrast-soft);
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link:hover,
.nav-link.active {
  color: var(--color-purple);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-contrast);
  transition: all var(--transition-smooth);
}

/* ============================================================
   LAYOUT SYSTEM — Grid → Dissolve
   ============================================================ */

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

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* --- GRID SECTION (Structured / Analytical Mind) --- */
.grid-section {
  padding: var(--space-2xl) 0;
  position: relative;
}

.grid-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(var(--grid-line-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-color) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  opacity: 0.6;
}

.grid-layout {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
  position: relative;
  z-index: 1;
}

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

.grid-layout-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
  position: relative;
  z-index: 1;
}

.grid-layout-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
  position: relative;
  z-index: 1;
}

/* Span utilities */
.col-span-12 { grid-column: span 12; }
.col-span-8 { grid-column: span 8; }
.col-span-7 { grid-column: span 7; }
.col-span-6 { grid-column: span 6; }
.col-span-5 { grid-column: span 5; }
.col-span-4 { grid-column: span 4; }
.col-span-3 { grid-column: span 3; }

/* --- TRANSITION SECTION (Breaking Symmetry) --- */
.dissolve-section {
  padding: var(--space-2xl) 0;
  position: relative;
}

.dissolve-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(var(--grid-line-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-color) 1px, transparent 1px);
  background-size: 120px 120px;
  pointer-events: none;
  opacity: 0.25;
  transform: skewY(-2deg);
}

.dissolve-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  position: relative;
  z-index: 1;
}

.dissolve-layout.reverse {
  grid-template-columns: 1.2fr 1fr;
}

/* --- OPEN SECTION (Infinite Awareness) --- */
.open-section {
  padding: var(--space-3xl) 0;
  position: relative;
  background: linear-gradient(180deg, var(--color-base) 0%, var(--color-white) 100%);
}

.open-layout {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  text-align: center;
  position: relative;
  z-index: 1;
}

/* ============================================================
   GRID CARDS & BOXES
   ============================================================ */
.grid-card {
  background: var(--color-white);
  border: var(--border-thin);
  padding: var(--space-lg);
  position: relative;
  transition: all var(--transition-smooth);
}

.grid-card:hover {
  border-color: var(--color-purple);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.grid-card .card-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-purple);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.grid-card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.3rem;
}

.grid-card p {
  font-size: 0.95rem;
  color: var(--color-grey-mid);
}

/* Dissolving Card (broken borders) */
.dissolve-card {
  background: var(--color-white);
  padding: var(--space-xl);
  position: relative;
  border-top: var(--border-strong);
  border-left: var(--border-strong);
  transition: all var(--transition-smooth);
}

.dissolve-card:hover {
  border-color: var(--color-purple);
}

/* Open Card (minimal, borderless) */
.open-card {
  padding: var(--space-xl);
  text-align: center;
  position: relative;
}

.open-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background: var(--color-purple);
  opacity: 0.5;
}

/* ============================================================
   DECORATIVE ELEMENTS
   ============================================================ */

/* Grid Line Decorations */
.grid-line-h {
  width: 100%;
  height: 1px;
  background: var(--grid-line-color);
  position: relative;
}

.grid-line-h::before {
  content: '';
  position: absolute;
  left: 0;
  top: -3px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--color-purple);
  transform: rotate(45deg);
}

.grid-line-v {
  width: 1px;
  height: 100%;
  background: var(--grid-line-color);
  position: absolute;
}

/* Corner Marks */
.corner-mark {
  position: absolute;
  width: 20px;
  height: 20px;
}

.corner-mark::before,
.corner-mark::after {
  content: '';
  position: absolute;
  background: var(--color-purple);
}

.corner-mark::before {
  width: 20px;
  height: 1px;
  top: 0;
  left: 0;
}

.corner-mark::after {
  width: 1px;
  height: 20px;
  top: 0;
  left: 0;
}

.corner-mark.top-left { top: 0; left: 0; }
.corner-mark.top-right { top: 0; right: 0; transform: scaleX(-1); }
.corner-mark.bottom-left { bottom: 0; left: 0; transform: scaleY(-1); }
.corner-mark.bottom-right { bottom: 0; right: 0; transform: scale(-1); }

/* Section Number */
.section-number {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--color-purple);
  opacity: 0.6;
  margin-bottom: var(--space-sm);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 32px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
}

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

.btn-primary:hover {
  background: var(--color-purple);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background: transparent;
  color: var(--color-contrast);
  border: var(--border-accent);
}

.btn-outline:hover {
  background: var(--color-purple);
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--color-purple);
  padding: 14px 0;
}

.btn-ghost:hover {
  color: var(--color-purple-light);
}

.btn-ghost::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.btn-ghost:hover::after {
  transform: translateX(4px);
}

/* ============================================================
   HERO SECTIONS
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 72px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(var(--grid-line-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-color) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  opacity: 0.5;
  transition: opacity 1s ease;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-purple);
  margin-bottom: var(--space-md);
}

.hero h1 {
  margin-bottom: var(--space-md);
}

.hero h1 span {
  color: var(--color-purple);
}

.hero p {
  font-size: 1.15rem;
  margin-bottom: var(--space-lg);
  max-width: 600px;
}

/* Page Hero (smaller, for inner pages) */
.page-hero {
  padding: calc(72px + var(--space-3xl)) 0 var(--space-2xl);
  position: relative;
  border-bottom: var(--border-thin);
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(var(--grid-line-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-color) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  opacity: 0.4;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero .label {
  margin-bottom: var(--space-sm);
}

.page-hero h1 {
  margin-bottom: var(--space-sm);
}

.page-hero p {
  max-width: 600px;
}

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-grey-mid);
  margin-bottom: var(--space-xs);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-primary);
  font-size: 1rem;
  background: var(--color-white);
  border: var(--border-thin);
  color: var(--color-contrast);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-purple);
  box-shadow: 0 0 0 3px var(--color-purple-subtle);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-contrast);
  color: var(--color-grey);
  padding: var(--space-2xl) 0 var(--space-lg);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-purple), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand .brand-name {
  color: var(--color-white);
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  color: var(--color-grey-mid);
  font-size: 0.9rem;
  max-width: 300px;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-purple-light);
  margin-bottom: var(--space-md);
}

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-links a {
  color: var(--color-grey-mid);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-grey-mid);
  font-size: 0.9rem;
  margin-bottom: var(--space-xs);
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-purple-light);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.15);
  display: grid;
  place-items: center;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  border-color: var(--color-purple);
  background: rgba(123, 47, 190, 0.1);
}

.footer-social svg {
  width: 18px;
  height: 18px;
  fill: var(--color-grey-mid);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-grey-mid);
}

.footer-bottom a {
  color: var(--color-purple-light);
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--color-purple);
}

/* ============================================================
   SCROLL ANIMATIONS (Grid → Dissolve)
   ============================================================ */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-grid {
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-grid.visible {
  opacity: 1;
  transform: scale(1);
}

.animate-dissolve {
  opacity: 0;
  filter: blur(4px);
  transition: opacity 1s ease, filter 1s ease;
}

.animate-dissolve.visible {
  opacity: 1;
  filter: blur(0);
}

/* Staggered animation delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ============================================================
   PASSWORD GATE PAGE
   ============================================================ */
.gate-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-contrast);
  position: relative;
  overflow: hidden;
}

.gate-grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(123, 47, 190, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123, 47, 190, 0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  transition: all 1.5s ease;
}

.gate-grid-bg.distort {
  transform: perspective(500px) rotateX(5deg) scale(1.1);
  opacity: 0.3;
}

.gate-grid-bg.dissolve {
  opacity: 0;
  background-size: 200px 200px;
  filter: blur(10px);
}

.gate-container {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xl);
}

.gate-box {
  border: 1px solid rgba(123, 47, 190, 0.25);
  padding: var(--space-xl) var(--space-2xl);
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(10px);
  max-width: 460px;
  transition: all 1s ease;
}

.gate-box.dissolve {
  opacity: 0;
  transform: scale(1.05);
  border-color: var(--color-purple);
  box-shadow: var(--shadow-glow-strong);
}

.gate-title {
  font-family: var(--font-primary);
  font-weight: 300;
  font-size: 1.6rem;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
  letter-spacing: -0.01em;
}

.gate-subtitle {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-purple-light);
  margin-bottom: var(--space-lg);
}

.gate-input-group {
  position: relative;
  margin-bottom: var(--space-md);
}

.gate-input {
  width: 100%;
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-align: center;
  background: transparent;
  border: 1px solid rgba(123, 47, 190, 0.3);
  color: var(--color-white);
  transition: all var(--transition-smooth);
}

.gate-input:focus {
  outline: none;
  border-color: var(--color-purple);
  box-shadow: 0 0 0 3px rgba(123, 47, 190, 0.1);
}

.gate-input.error {
  border-color: #ff4444;
  animation: gate-shake 0.5s ease;
}

.gate-btn {
  width: 100%;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--color-purple);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.gate-btn:hover {
  background: var(--color-purple-light);
  box-shadow: var(--shadow-glow);
}

.gate-error {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: #ff6b6b;
  margin-top: var(--space-sm);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.gate-error.show {
  opacity: 1;
}

@keyframes gate-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.text-center { text-align: center; }
.text-purple { color: var(--color-purple); }
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.pt-xl { padding-top: var(--space-xl); }
.pb-xl { padding-bottom: var(--space-xl); }

/* Image containers with geometric frames */
.image-frame {
  position: relative;
  overflow: hidden;
  border: var(--border-thin);
}

.image-frame::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  border: 1px solid var(--color-purple);
  opacity: 0.3;
  z-index: 1;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.image-frame:hover::before {
  opacity: 0.6;
}

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

.image-frame:hover img {
  transform: scale(1.03);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .grid-layout-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* Mobile Nav */
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(250, 250, 250, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-lg);
    border-bottom: var(--border-thin);
    transform: translateY(-120%);
    transition: transform var(--transition-smooth);
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  /* Grid layouts */
  .grid-layout {
    grid-template-columns: 1fr;
  }
  .col-span-12, .col-span-8, .col-span-7, .col-span-6, .col-span-5, .col-span-4, .col-span-3 {
    grid-column: span 1;
  }
  .grid-layout-3,
  .grid-layout-2 {
    grid-template-columns: 1fr;
  }
  .grid-layout-4 {
    grid-template-columns: 1fr;
  }
  .dissolve-layout,
  .dissolve-layout.reverse {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* Spacing */
  .hero { min-height: 80vh; }
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }

  .gate-box {
    padding: var(--space-lg) var(--space-md);
    margin: 0 var(--space-sm);
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.8rem; }
  .header-inner { padding: 0 var(--space-sm); }
  .container { padding: 0 var(--space-sm); }
}