/*
 * ============================================================
 *  D. CHRISTIAN KAY — Personal Website Stylesheet
 *  Version: 1.0  |  Phase: 1
 *
 *  TABLE OF CONTENTS
 *  ─────────────────────────────────────────────────────────
 *  00. Tokens & Brand Variables   ← START HERE to restyle
 *  01. Reset & Base
 *  02. Layout Utilities
 *  03. Navigation
 *  04. Hero
 *  05. Results Strip
 *  06. About
 *  07. Services
 *  08. How I Work
 *  09. Contact
 *  10. Footer
 *  11. Animations & Scroll Reveal
 *  12. Responsive / Mobile
 *
 *  FUTURE PHASES (add new sections below section 10)
 *  ─────────────────────────────────────────────────────────
 *  Phase 2 → App Portfolio    (#portfolio)
 *  Phase 3 → Prompt Library   (#library)
 *  Phase 4 → Blog / Insights  (#insights)
 *  Phase 5 → Case Studies     (#work)
 * ============================================================
 */


/* ============================================================
   00. TOKENS & BRAND VARIABLES
   Change colors, fonts, or spacing here — updates site-wide
   ============================================================ */

:root {

  /* --- Color Palette (from Brand Guide v1.0) --- */
  --color-bg:          #080C14;   /* Deep Logic     — primary background     */
  --color-surface:     #1E293B;   /* Interface Slate — cards, inputs, panels  */
  --color-border:      #334155;   /* Logic Line      — dividers, borders      */
  --color-pulse:       #A5E65A;   /* The Pulse       — CTA, active, highlight */
  --color-flow:        #00A6C0;   /* System Flow     — secondary accent       */
  --color-text:        #E2E8F0;   /* Human Neutral   — primary body text      */
  --color-muted:       #64748B;   /* Ghost Text      — secondary / meta text  */

  /* --- Derived / Utility Colors (do not change) --- */
  --color-pulse-dim:   rgba(165, 230, 90,  0.10);
  --color-flow-dim:    rgba(0,   166, 192, 0.10);
  --color-border-rgb:  rgba(51,  65,  85,  0.60);

  /* --- Typography --- */
  --font-sans:   'Inter', system-ui, sans-serif;
  --font-mono:   'JetBrains Mono', 'Courier New', monospace;

  /* --- Font Weights --- */
  --fw-light:    300;
  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;

  /* --- Spacing Scale (base 8px) --- */
  --space-1:  0.5rem;    /*  8px */
  --space-2:  1rem;      /* 16px */
  --space-3:  1.5rem;    /* 24px */
  --space-4:  2rem;      /* 32px */
  --space-6:  3rem;      /* 48px */
  --space-8:  4rem;      /* 64px */
  --space-12: 6rem;      /* 96px */

  /* --- Layout --- */
  --max-width: 1040px;
  --nav-height: 64px;

  /* --- Dot Grid Texture (Blueprint Motif) --- */
  --dot-grid: radial-gradient(
    circle,
    rgba(226, 232, 240, 0.035) 1px,
    transparent 1px
  );
  --dot-size: 30px 30px;

  /* --- Transitions --- */
  --transition-fast:   0.15s ease;
  --transition-base:   0.25s ease;
  --transition-slow:   0.4s ease;
}

/* ── Light Mode Token Overrides ──────────────────────────────
   Applied via JS (data-theme="light" on <html>).
   System preference detected on load — manual toggle persists
   to localStorage. To retheme: update :root AND here.
   ─────────────────────────────────────────────────────────── */
[data-theme="light"] {
  --color-bg:         #F1F5F9;
  --color-surface:    #E2E8F0;
  --color-border:     #CBD5E1;
  --color-pulse:      #3D6B0F;  /* darkened for contrast on light bg */
  --color-flow:       #0369A1;  /* darkened for contrast on light bg */
  --color-text:       #0F172A;
  --color-muted:      #475569;
  --color-pulse-dim:  rgba(61,  107, 15,  0.08);
  --color-flow-dim:   rgba(3,   105, 161, 0.08);
  --color-border-rgb: rgba(203, 213, 225, 0.6);
  --dot-grid: radial-gradient(circle, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
}

/* Nav glass bg can't use CSS vars inside rgba — override directly */
[data-theme="light"] .site-nav   { background: rgba(241, 245, 249, 0.95); }
[data-theme="light"] .mobile-menu { background: rgba(241, 245, 249, 0.98); }


/* ============================================================
   01. RESET & BASE
   ============================================================ */

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

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

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: var(--fw-regular);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Smooth theme transitions — only on bg/color, not layout */
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

hr.rule {
  border: none;
  border-top: 1px solid var(--color-border);
}


/* ============================================================
   02. LAYOUT UTILITIES
   ============================================================ */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

section {
  padding: var(--space-12) 0;
}

/* Blueprint dot grid — applied to specific sections in HTML via .dot-bg */
.dot-bg {
  background-image: var(--dot-grid);
  background-size: var(--dot-size);
}

/* Section label (mono tag above headings) */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-pulse);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.section-label::after {
  content: '';
  display: block;
  width: 36px;
  height: 1px;
  background: var(--color-pulse);
  opacity: 0.45;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.875rem 2.25rem;
  background: #A5E65A;  /* always bright green — intentionally NOT a theme var */
  color: #080C14;       /* always dark — ensures contrast on green in both modes */
  border: none;
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.875rem 2.25rem;
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: border-color var(--transition-base),
              color var(--transition-base),
              transform var(--transition-fast);
}
.btn-ghost:hover {
  border-color: var(--color-flow);
  color: var(--color-flow);
  transform: translateY(-2px);
}

/* ── Tags ── */
.tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: var(--fw-regular);
  letter-spacing: 0.08em;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  transition: border-color var(--transition-base), color var(--transition-base);
}
.tag:hover {
  border-color: var(--color-flow);
  color: var(--color-flow);
}


/* ============================================================
   03. NAVIGATION
   ============================================================ */

.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-8);
  background: rgba(8, 12, 20, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  color: var(--color-pulse);
  transition: opacity var(--transition-fast);
}
.nav-logo:hover { opacity: 0.75; }

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

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-regular);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color var(--transition-fast);
}
.nav-links a:hover { color: var(--color-text); }

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  background: #A5E65A;    /* hardcoded — same reason as btn-primary */
  color: #080C14 !important;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.nav-cta:hover { opacity: 0.88; transform: translateY(-1px); }

/* ── Nav Controls (theme toggle + hamburger group) ── */
.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  color: var(--color-muted);
  flex-shrink: 0;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.theme-toggle:hover {
  border-color: var(--color-pulse);
  color: var(--color-pulse);
}
/* Show sun in light mode, moon in dark mode */
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Hamburger Button — hidden on desktop */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: border-color var(--transition-fast);
}
.hamburger:hover { border-color: var(--color-pulse); }

.hamburger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 0.3s ease, opacity 0.2s ease;
}
/* X state when open */
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Mobile Menu Drawer ── */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  z-index: 199;
  background: rgba(8, 12, 20, 0.97);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-4) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  /* Slide up + fade by default */
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s ease, opacity 0.28s ease;
}
.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.mobile-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: var(--fw-regular);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}
.mobile-link:hover { color: var(--color-text); }
.mobile-link:last-child { border-bottom: none; }

.mobile-cta {
  margin-top: var(--space-1);
  display: inline-block;
  align-self: flex-start;
  padding: 0.75rem 1.75rem;
  background: #A5E65A;
  color: #080C14 !important;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: none !important;
  transition: opacity var(--transition-fast);
}
.mobile-cta:hover { opacity: 0.88; color: #080C14 !important; }


/* ============================================================
   04. HERO
   ============================================================ */

#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--space-12);
  align-items: center;
  width: 100%;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-regular);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-flow);
  margin-bottom: var(--space-3);
  opacity: 0;
  animation: fadeUp 0.5s 0.2s forwards;
}

.hero-headline {
  font-family: var(--font-sans);
  font-size: clamp(2.8rem, 5.5vw, 4.6rem);
  font-weight: var(--fw-bold);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--color-text);
  opacity: 0;
  animation: fadeUp 0.6s 0.35s forwards;
}
.hero-headline .accent {
  color: var(--color-pulse);
}

.hero-sub {
  margin-top: var(--space-3);
  font-size: 1rem;
  font-weight: var(--fw-light);
  color: var(--color-muted);
  max-width: 460px;
  line-height: 1.85;
  opacity: 0;
  animation: fadeUp 0.6s 0.5s forwards;
}

.hero-actions {
  margin-top: var(--space-6);
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.6s 0.65s forwards;
}

/* Portrait frame */
.hero-photo {
  opacity: 0;
  animation: fadeUp 0.7s 0.45s forwards;
}

.photo-frame {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--color-muted);
}
.photo-placeholder svg { opacity: 0.18; }
.photo-placeholder span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.3;
}

/* Green accent bar bottom-left of portrait */
.photo-frame::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 56px;
  height: 3px;
  background: var(--color-pulse);
}


/* ============================================================
   05. RESULTS STRIP
   ============================================================ */

#results {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-8) 0;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.result-item {
  padding: 0 var(--space-4);
  border-right: 1px solid var(--color-border);
  text-align: center;
}
.result-item:first-child { padding-left: 0; text-align: left; }
.result-item:last-child  { border-right: none; padding-right: 0; }

.result-num {
  display: block;
  font-family: var(--font-sans);
  font-size: 2.4rem;
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  color: var(--color-pulse);
  line-height: 1;
}

.result-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: var(--fw-regular);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-top: var(--space-1);
  line-height: 1.6;
}


/* ============================================================
   06. ABOUT
   ============================================================ */

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

.about-headline {
  font-family: var(--font-sans);
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}
.about-headline .accent { color: var(--color-pulse); }

.about-body p {
  font-size: 0.95rem;
  font-weight: var(--fw-light);
  color: var(--color-muted);
  line-height: 1.9;
}
.about-body p + p { margin-top: var(--space-3); }

.about-quote {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-left: 2px solid var(--color-pulse);
  background: var(--color-pulse-dim);
}
.about-quote p {
  font-size: 0.95rem;
  font-weight: var(--fw-medium);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.65;
}

/* Info cards on the right */
.about-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.about-card {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base);
}
.about-card:hover { border-color: #334155; }

.about-card-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-flow);
  margin-bottom: var(--space-1);
}

.about-card-text {
  font-size: 0.875rem;
  font-weight: var(--fw-light);
  color: var(--color-text);
  line-height: 1.65;
}

.systems-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: var(--space-2);
}


/* ============================================================
   07. SERVICES
   ============================================================ */

#services {
  background: var(--color-bg);  /* keeps dark contrast vs about */
}

.services-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: end;
  margin-bottom: var(--space-6);
}

.services-headline {
  font-family: var(--font-sans);
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-text);
}
.services-headline .accent { color: var(--color-pulse); }

.services-sub {
  font-size: 0.92rem;
  font-weight: var(--fw-light);
  color: var(--color-muted);
  line-height: 1.9;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.service-card {
  background: var(--color-surface);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
  transition: background var(--transition-base);
}

/* Animated accent bar on left edge */
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 2px; height: 0;
  background: var(--color-pulse);
  transition: height 0.35s ease;
}
.service-card:hover { background: var(--color-bg); }
.service-card:hover::before { height: 100%; }

.service-num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  color: var(--color-pulse);
  margin-bottom: var(--space-3);
}

.service-title {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.service-desc {
  font-size: 0.875rem;
  font-weight: var(--fw-light);
  color: var(--color-muted);
  line-height: 1.85;
}

.service-tags {
  margin-top: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}


/* ============================================================
   08. HOW I WORK
   ============================================================ */

#how {
  background: var(--color-surface);
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.how-step {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: border-color var(--transition-base);
}
.how-step:hover { border-color: #334155; }

.how-num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.2em;
  color: var(--color-flow);
  margin-bottom: var(--space-2);
}

.how-title {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: var(--fw-semibold);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.how-desc {
  font-size: 0.86rem;
  font-weight: var(--fw-light);
  color: var(--color-muted);
  line-height: 1.85;
}


/* ============================================================
   09. CONTACT
   ============================================================ */

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

.contact-headline {
  font-family: var(--font-sans);
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.contact-headline .accent { color: var(--color-pulse); }

.contact-intro {
  font-size: 0.92rem;
  font-weight: var(--fw-light);
  color: var(--color-muted);
  line-height: 1.85;
  margin-bottom: var(--space-4);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.contact-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.contact-row-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  width: 72px;
  flex-shrink: 0;
}

.contact-row a,
.contact-row span {
  font-size: 0.875rem;
  color: var(--color-text);
  transition: color var(--transition-fast);
}
.contact-row a:hover { color: var(--color-pulse); }

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.form-field input,
.form-field textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: var(--fw-light);
  padding: 0.8rem 1rem;
  outline: none;
  resize: none;
  transition: border-color var(--transition-fast);
  -webkit-appearance: none;
}
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--color-pulse);
}
.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #334155;
}


/* ============================================================
   10. FOOTER
   ============================================================ */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: var(--fw-regular);
  color: var(--color-muted);
  letter-spacing: 0.06em;
}

.footer-links {
  display: flex;
  gap: var(--space-4);
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: var(--fw-regular);
  color: var(--color-muted);
  letter-spacing: 0.08em;
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--color-pulse); }


/* ============================================================
   11. ANIMATIONS & SCROLL REVEAL
   ============================================================ */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0);    }
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children inside a reveal container */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal-stagger.visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0.05s; }
.reveal-stagger.visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.15s; }
.reveal-stagger.visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.25s; }
.reveal-stagger.visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.35s; }


/* ============================================================
   12. RESPONSIVE / MOBILE
   ============================================================ */

@media (max-width: 960px) {
  :root { --space-8: 2.5rem; }

  .site-nav    { padding: 0 var(--space-4); }
  .site-footer { padding: var(--space-4); }

  .hero-inner       { grid-template-columns: 1fr; gap: var(--space-6); }
  .hero-photo       { max-width: 260px; }

  .results-grid     { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
  .result-item      { border-right: none; padding: 0; text-align: left; }

  .about-grid,
  .services-intro,
  .contact-grid     { grid-template-columns: 1fr; gap: var(--space-6); }

  .services-grid    { grid-template-columns: 1fr; }
  .how-grid         { grid-template-columns: 1fr; gap: var(--space-3); }

  .site-footer      { flex-direction: column; gap: var(--space-2); text-align: center; }
}

@media (max-width: 640px) {
  :root { --space-8: 1.5rem; }

  .site-nav { padding: 0 var(--space-3); }

  /* Hide desktop nav links + CTA — mobile menu takes over */
  .nav-links { display: none; }

  /* Show hamburger, keep theme toggle visible */
  .hamburger { display: flex; }

  .results-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }

  .hero-headline { letter-spacing: -0.01em; }

  /* Ensure minimum 44px touch targets on interactive elements */
  .btn-primary,
  .btn-ghost,
  .form-submit { min-height: 44px; }

  .mobile-link { min-height: 44px; display: flex; align-items: center; }
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 500;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
}
.cookie-banner.visible { transform: translateY(0); opacity: 1; }
.cookie-banner-copy { font-size: 0.82rem; color: var(--color-muted); line-height: 1.7; }
.cookie-banner-copy a { color: var(--color-flow); text-decoration: underline; }
.cookie-banner-actions { display: flex; gap: 0.75rem; flex-shrink: 0; }
.cookie-banner-actions button {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  border: none;
  min-height: 36px;
}
#cookie-accept  { background: #A5E65A; color: #080C14; }
#cookie-decline { background: transparent; color: var(--color-muted); border: 1px solid var(--color-border); }
@media (max-width: 640px) {
  .cookie-banner { flex-direction: column; align-items: flex-start; padding: 1rem 1.5rem; }
  .cookie-banner-actions { width: 100%; }
  .cookie-banner-actions button { flex: 1; text-align: center; }
}

/* ============================================================
   PHASE 2 PLACEHOLDER — App Portfolio
   ─────────────────────────────────────
   When ready, add styles for:
   #portfolio, .portfolio-grid, .portfolio-card
   ============================================================ */

/* ============================================================
   PHASE 3 PLACEHOLDER — Prompt Library
   ─────────────────────────────────────
   When ready, add styles for:
   #library, .library-filter, .prompt-card
   ============================================================ */
