/* ========================================
   ALANA VENTURES — Design Tokens & Styles
   Warm, human, purpose-led
   ======================================== */

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Fonts */
  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* ---- LIGHT MODE (default) ---- */
:root, [data-theme='light'] {
  --color-bg: #FAF8F5;
  --color-surface: #FFFFFF;
  --color-surface-2: #F5F2ED;
  --color-border: #E0DCD6;
  --color-text: #2D2D2D;
  --color-text-muted: #7A7974;
  --color-text-faint: #BAB9B4;
  --color-primary: #20808D;
  --color-primary-hover: #176A75;
  --color-accent: #7B2D8E;
  --color-accent-light: #F3EAF6;
  --shadow-sm: 0 1px 3px rgba(45,45,45,0.06);
  --shadow-md: 0 4px 12px rgba(45,45,45,0.08);
  --shadow-lg: 0 12px 32px rgba(45,45,45,0.12);
}

/* ---- DARK MODE ---- */
[data-theme='dark'] {
  --color-bg: #1A1918;
  --color-surface: #242220;
  --color-surface-2: #2E2C29;
  --color-border: #3D3A36;
  --color-text: #E8E6E1;
  --color-text-muted: #9C9A95;
  --color-text-faint: #5A5957;
  --color-primary: #4FB8C6;
  --color-primary-hover: #6DD0DC;
  --color-accent: #C77DD6;
  --color-accent-light: #2E2430;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #1A1918;
    --color-surface: #242220;
    --color-surface-2: #2E2C29;
    --color-border: #3D3A36;
    --color-text: #E8E6E1;
    --color-text-muted: #9C9A95;
    --color-text-faint: #5A5957;
    --color-primary: #4FB8C6;
    --color-primary-hover: #6DD0DC;
    --color-accent: #C77DD6;
    --color-accent-light: #2E2430;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
  }
}

/* =====================
   GLOBAL
   ===================== */

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--wide {
  max-width: var(--content-wide);
}

.container--narrow {
  max-width: var(--content-narrow);
}

/* =====================
   HEADER / NAV
   ===================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
}

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

.nav-logo {
  height: auto;
  width: 200px;
}

.nav-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.nav-links a:hover {
  color: var(--color-primary);
}

.theme-toggle {
  padding: var(--space-2);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  padding: var(--space-2);
  color: var(--color-text);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border);
    gap: var(--space-5);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    font-size: var(--text-base);
  }
}

/* =====================
   HERO
   ===================== */

.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.72) 0%,
    rgba(255, 255, 255, 0.45) 55%,
    rgba(255, 255, 255, 0.10) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding: var(--space-16) 0;
}

.hero-logo {
  width: 480px;
  height: auto;
  margin-bottom: var(--space-6);
  filter: drop-shadow(0 2px 16px rgba(0,0,0,0.25));
  display: block;
  margin-left: 0;
}

.hero-tagline {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 500;
  color: #2D2D2D;
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.hero-description {
  font-size: var(--text-base);
  color: #2D2D2D;
  margin-bottom: var(--space-8);
  max-width: 520px;
  line-height: 1.7;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary);
  color: #FFFFFF;
  text-decoration: none;
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}

.hero-cta:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.hero-cta:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* =====================
   SECTIONS
   ===================== */

.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
}

.section--alt {
  background: var(--color-surface-2);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

/* =====================
   PILLARS
   ===================== */

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.pillar-card {
  background: var(--color-surface);
  padding: var(--space-8) var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}

.pillar-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.pillar-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  line-height: 1;
}

.pillar-card h3 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.pillar-card p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
}

/* =====================
   THE 20 MODEL
   ===================== */

.model-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (max-width: 768px) {
  .model-layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.model-text p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.model-text p:last-child {
  margin-bottom: 0;
}

.model-steps {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
}

.model-step {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4) 0;
}

.model-step + .model-step {
  border-top: 1px solid var(--color-border);
}

.step-day {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-primary);
  min-width: 60px;
  line-height: 1.3;
}

.step-content h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.step-content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* =====================
   ABOUT / FOUNDER
   ===================== */

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-12);
  align-items: start;
}

@media (max-width: 768px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.value-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.value-marker {
  width: 8px;
  height: 8px;
  min-width: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-top: 8px;
}

.value-item p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.about-text p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.founder-quote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-accent);
  font-style: italic;
  line-height: 1.5;
  padding-left: var(--space-6);
  border-left: 3px solid var(--color-accent);
  margin-top: var(--space-8);
}

/* =====================
   FOUNDER
   ===================== */

.founder-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-12);
  align-items: start;
}

@media (max-width: 900px) {
  .founder-layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.founder-text p {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-5);
}

.founder-crossroads,
.founder-leading {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.founder-crossroads h3,
.founder-leading h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.founder-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: 100px;
}

.founder-name-block {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.founder-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
}

.founder-title {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 600;
}

.founder-location {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.founder-stats {
  padding: var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.founder-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* =====================
   CONTACT
   ===================== */

.contact-inner {
  text-align: left;
  max-width: 560px;
}

.contact-inner p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--text-base);
  transition: color var(--transition-interactive);
}

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

.contact-details {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-details span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* =====================
   FOOTER
   ===================== */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-tagline {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-style: italic;
}

.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

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

/* =====================
   SCROLL ANIMATIONS
   ===================== */

.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}