/* ============================================================
   CUBIERTO.CL — Design System
   Premium Gastronomy Talent Pipeline · Santiago, Chile
   ============================================================ */

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

/* ============================================================
   1. CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* ---- Brand Colors ---- */
  --color-primary:       #003334;
  --color-primary-rgb:   0, 51, 52;
  --color-accent:          #702963;
  --color-accent-rgb:      112, 41, 99;
  --color-accent-light:    #8B3A7A;
  --color-accent-dark:     #5C2150;
  --color-bg-light:      #FAF9F6;
  --color-white:         #FFFFFF;
  --color-white-rgb:     255, 255, 255;
  --color-text-dark:     #1A1A2E;
  --color-text-body:     #2D2D3E;
  --color-text-muted:    #5E5E72;
  --color-text-light:    rgba(250, 249, 246, 0.7);
  --color-border:        #D8D8DC;
  --color-error:         #D94452;
  --color-success:       #2ECC71;

  /* ---- Spacing Scale ---- */
  --space-xs:   0.25rem;   /* 4px  */
  --space-sm:   0.5rem;    /* 8px  */
  --space-md:   1rem;      /* 16px */
  --space-lg:   1.5rem;    /* 24px */
  --space-xl:   2rem;      /* 32px */
  --space-2xl:  3rem;      /* 48px */
  --space-3xl:  4rem;      /* 64px */
  --space-4xl:  6rem;      /* 96px */
  --space-5xl:  8rem;      /* 128px */

  /* ---- Typography ---- */
  --font-family:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs:        0.75rem;    /* 12px */
  --font-size-sm:        0.875rem;   /* 14px */
  --font-size-base:      1rem;       /* 16px */
  --font-size-md:        1.125rem;   /* 18px */
  --font-size-lg:        1.25rem;    /* 20px */
  --font-size-xl:        1.5rem;     /* 24px */
  --font-size-2xl:       2rem;       /* 32px */
  --font-size-3xl:       2.5rem;     /* 40px */
  --font-size-4xl:       3.25rem;    /* 52px */
  --font-size-5xl:       4rem;       /* 64px */
  --font-weight-regular: 400;
  --font-weight-medium:  500;
  --font-weight-semi:    600;
  --font-weight-bold:    700;
  --line-height-tight:   1.15;
  --line-height-base:    1.6;
  --line-height-loose:   1.8;
  --letter-spacing-tight: -0.02em;
  --letter-spacing-base:  0;
  --letter-spacing-wide:  0.04em;

  /* ---- Layout ---- */
  --container-max:       1200px;
  --container-narrow:    720px;
  --border-radius-sm:    6px;
  --border-radius-md:    10px;
  --border-radius-lg:    16px;
  --border-radius-full:  9999px;

  /* ---- Shadows ---- */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg:   0 8px 30px rgba(0,0,0,0.10);
  --shadow-xl:   0 16px 48px rgba(0,0,0,0.12);
  --shadow-accent: 0 0 0 3px rgba(var(--color-accent-rgb), 0.18);

  /* ---- Transitions ---- */
  --transition-fast:     150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:     250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:     400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring:   500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ---- Z-Index Scale ---- */
  --z-base:     1;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-fixed:    300;
  --z-modal:    400;
  --z-toast:    500;
}


/* ============================================================
   2. RESET / NORMALIZE
   ============================================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-base);
  color: var(--color-text-body);
  background-color: var(--color-bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

::selection {
  background-color: rgba(var(--color-accent-rgb), 0.25);
  color: var(--color-text-dark);
}


/* ============================================================
   3. TYPOGRAPHY SYSTEM
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-dark);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl);  }
h5 { font-size: var(--font-size-lg);  }
h6 { font-size: var(--font-size-md);  }

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-body);
}

.text-accent   { color: var(--color-accent); }
.text-white  { color: var(--color-white); }
.text-muted  { color: var(--color-text-muted); }
.text-light  { color: var(--color-text-light); }
.text-center { text-align: center; }
.text-sm     { font-size: var(--font-size-sm); }
.text-xs     { font-size: var(--font-size-xs); }


/* ============================================================
   4. LAYOUT & GRID UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

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

.section {
  padding: var(--space-4xl) 0;
}

/* Flexbox helpers */
.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.flex-wrap    { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.justify-center   { justify-content: center; }
.justify-between  { justify-content: space-between; }
.gap-sm  { gap: var(--space-sm); }
.gap-md  { gap: var(--space-md); }
.gap-lg  { gap: var(--space-lg); }
.gap-xl  { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }

/* Grid */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl);  }
}


/* ============================================================
   5. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semi);
  line-height: 1;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  letter-spacing: var(--letter-spacing-wide);
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.15) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn:hover::after {
  transform: translateX(100%);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(var(--color-accent-rgb), 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--color-accent-rgb), 0.45);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(var(--color-accent-rgb), 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-outline:hover {
  background: rgba(var(--color-accent-rgb), 0.08);
  transform: translateY(-2px);
}

.btn-outline:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn--lg {
  padding: 1.1rem 2.75rem;
  font-size: var(--font-size-md);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-sm);
}

/* Loading spinner inside button */
.btn .spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(var(--color-primary-rgb), 0.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn.is-loading .spinner {
  display: inline-block;
}

.btn.is-loading .btn-text {
  opacity: 0.5;
}


/* ============================================================
   6. FORM STYLING
   ============================================================ */

/* ---- Form Container ---- */
.form-container {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-2xl) var(--space-xl);
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .form-container {
    padding: var(--space-xl) var(--space-lg) var(--space-lg);
    border-radius: var(--border-radius-md);
    margin: 0 var(--space-md);
  }
}

/* ---- Field Group ---- */
.field-group {
  margin-bottom: var(--space-lg);
}

.field-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: var(--color-text-dark);
  margin-bottom: var(--space-xs);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

.field-group label .required {
  color: var(--color-error);
  margin-left: 2px;
}

/* ---- Text Inputs, Selects, Textareas ---- */
.field-group input[type="text"],
.field-group input[type="email"],
.field-group input[type="tel"],
.field-group input[type="number"],
.field-group input[type="url"],
.field-group input[type="password"],
.field-group select,
.field-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: var(--font-size-base);
  color: var(--color-text-dark);
  background-color: var(--color-bg-light);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.field-group input::placeholder,
.field-group textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
  background-color: var(--color-white);
}

.field-group input:focus-visible,
.field-group select:focus-visible,
.field-group textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

/* Select arrow */
.field-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%236E6E82' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.field-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ---- Character Counter ---- */
.char-counter {
  display: block;
  text-align: right;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  transition: color var(--transition-fast);
}

.char-counter.near-limit {
  color: var(--color-accent-dark);
}

.char-counter.at-limit {
  color: var(--color-error);
  font-weight: var(--font-weight-medium);
}

/* ---- Error Message ---- */
.error-message {
  display: none;
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--space-xs);
  padding-left: 2px;
  animation: shake 0.3s ease;
}

.field-group.has-error .error-message {
  display: block;
}

.field-group.has-error input,
.field-group.has-error select,
.field-group.has-error textarea {
  border-color: var(--color-error);
}

/* ---- Radio Group ---- */
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.6rem 1.2rem;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: none;
  letter-spacing: normal;
  transition: all var(--transition-fast);
  background: var(--color-bg-light);
}

.radio-group label:hover {
  border-color: var(--color-accent-light);
  background: rgba(var(--color-accent-rgb), 0.04);
}

.radio-group input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  position: relative;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.radio-group input[type="radio"]:checked {
  border-color: var(--color-accent);
  background: var(--color-accent);
  box-shadow: inset 0 0 0 3px var(--color-white);
}

.radio-group input[type="radio"]:checked + span,
.radio-group input[type="radio"]:checked ~ span {
  color: var(--color-accent-dark);
  font-weight: var(--font-weight-semi);
}

.radio-group label:has(input[type="radio"]:checked) {
  border-color: var(--color-accent);
  background: rgba(var(--color-accent-rgb), 0.06);
}

.radio-group input[type="radio"]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---- Checkbox Group ---- */
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.6rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: none;
  letter-spacing: normal;
  transition: all var(--transition-fast);
  background: var(--color-bg-light);
}

.checkbox-group label:hover {
  border-color: var(--color-accent-light);
  background: rgba(var(--color-accent-rgb), 0.04);
}

.checkbox-group input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  position: relative;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.checkbox-group input[type="checkbox"]:checked {
  border-color: var(--color-accent);
  background: var(--color-accent);
}

.checkbox-group input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: solid var(--color-white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-group label:has(input[type="checkbox"]:checked) {
  border-color: var(--color-accent);
  background: rgba(var(--color-accent-rgb), 0.06);
}

.checkbox-group input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}


/* ============================================================
   7. PROGRESS BAR
   ============================================================ */
.progress-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: var(--space-2xl);
  padding: 0 var(--space-lg);
  position: relative;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  flex: 1;
}

.progress-step .step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  border: 2px solid var(--color-border);
  background: var(--color-bg-light);
  color: var(--color-text-muted);
  transition: all var(--transition-base);
  position: relative;
  z-index: 2;
}

.progress-step .step-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-base);
  text-align: center;
}

/* Connector line */
.progress-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 20px;
  left: calc(50% + 24px);
  width: calc(100% - 48px);
  height: 2px;
  background: var(--color-border);
  z-index: 1;
  transition: background var(--transition-base);
}

/* Active step */
.progress-step.active .step-number {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(var(--color-accent-rgb), 0.15);
}

.progress-step.active .step-label {
  color: var(--color-accent-dark);
  font-weight: var(--font-weight-semi);
}

/* Completed step */
.progress-step.completed .step-number {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-primary);
}

.progress-step.completed .step-label {
  color: var(--color-text-dark);
}

.progress-step.completed:not(:last-child)::after {
  background: var(--color-accent);
}

/* Completed check icon */
.progress-step.completed .step-number::after {
  content: '✓';
  font-size: var(--font-size-sm);
}

.progress-step.completed .step-number span {
  display: none;
}

@media (max-width: 768px) {
  .progress-step .step-label {
    font-size: 0.65rem;
  }

  .progress-step .step-number {
    width: 34px;
    height: 34px;
    font-size: var(--font-size-xs);
  }

  .progress-step:not(:last-child)::after {
    top: 17px;
    left: calc(50% + 20px);
    width: calc(100% - 40px);
  }
}


/* ============================================================
   8. STEP FORM / MULTI-STEP LAYOUT
   ============================================================ */
.form-steps-wrapper {
  position: relative;
  overflow: hidden;
}

.form-step {
  display: none;
  animation-duration: 0.4s;
  animation-fill-mode: both;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.form-step.active {
  display: block;
  animation-name: slideInRight;
}

.form-step.slide-out-left {
  display: block;
  animation-name: slideOutLeft;
}

.form-step.slide-out-right {
  display: block;
  animation-name: slideOutRight;
}

.form-step.slide-in-left {
  display: block;
  animation-name: slideInLeft;
}

/* Step navigation buttons */
.form-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.form-nav .btn-back {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.form-nav .btn-back:hover {
  color: var(--color-text-dark);
}


/* ============================================================
   9. CARDS
   ============================================================ */
.card {
  background: var(--color-white);
  border-radius: var(--border-radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card--dark {
  background: rgba(var(--color-white-rgb), 0.04);
  border: 1px solid rgba(var(--color-white-rgb), 0.08);
  border-left: 3px solid var(--color-accent);
  backdrop-filter: blur(8px);
}

.card--dark:hover {
  background: rgba(var(--color-white-rgb), 0.07);
  border-color: rgba(var(--color-white-rgb), 0.12);
  border-left-color: var(--color-accent);
}

.card--bordered {
  border: 2px solid var(--color-accent);
  background: rgba(var(--color-accent-rgb), 0.03);
}


/* ============================================================
   10. HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--space-lg) 0;
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background: rgba(var(--color-primary-rgb), 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
  padding: var(--space-md) 0;
}

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

.logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ---- Language Toggle ---- */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(var(--color-white-rgb), 0.08);
  border-radius: var(--border-radius-full);
  padding: 3px;
  border: 1px solid rgba(var(--color-white-rgb), 0.1);
}

.lang-toggle button {
  padding: 0.3rem 0.75rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  color: rgba(var(--color-white-rgb), 0.5);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-fast);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

.lang-toggle button:hover {
  color: rgba(var(--color-white-rgb), 0.8);
}

.lang-toggle button.active {
  background: var(--color-accent);
  color: var(--color-primary);
}

.lang-toggle button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}


/* ============================================================
   11. HERO SECTION
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
  padding: var(--space-5xl) var(--space-lg) var(--space-3xl);
}

/* Subtle gradient overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 30%, rgba(var(--color-accent-rgb), 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(var(--color-accent-rgb), 0.03) 0%, transparent 60%);
  pointer-events: none;
}

/* Animated grain overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: -50%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
  animation: grain 8s steps(10) infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero h1 {
  color: var(--color-accent);
  font-size: var(--font-size-5xl);
  margin-bottom: var(--space-lg);
  letter-spacing: var(--letter-spacing-tight);
  line-height: 1.1;
}

.hero .hero-sub {
  color: rgba(var(--color-white-rgb), 0.75);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-2xl);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* Gold divider animation */
.hero-divider {
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  margin: 0 auto var(--space-2xl);
  animation: expandLine 1.5s ease 0.5s forwards;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-indicator .chevron {
  display: block;
  width: 24px;
  height: 24px;
  opacity: 0.4;
  animation: bounceDown 2s infinite;
}

.scroll-indicator .chevron svg {
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 2;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: var(--font-size-3xl);
  }

  .hero .hero-sub {
    font-size: var(--font-size-base);
  }
}


/* ============================================================
   12. FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-primary);
  border-top: 1px solid rgba(var(--color-accent-rgb), 0.2);
  padding: var(--space-3xl) 0 var(--space-xl);
  text-align: center;
}

.footer-logo {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  color: rgba(var(--color-white-rgb), 0.5);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
}

.footer-contact {
  color: rgba(var(--color-white-rgb), 0.35);
  font-size: var(--font-size-xs);
  margin-bottom: var(--space-2xl);
}

.footer-contact a {
  color: var(--color-accent);
  transition: opacity var(--transition-fast);
}

.footer-contact a:hover {
  opacity: 0.8;
}

.footer-copyright {
  color: rgba(var(--color-white-rgb), 0.2);
  font-size: var(--font-size-xs);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(var(--color-white-rgb), 0.06);
}


/* ============================================================
   13. SUCCESS SCREEN
   ============================================================ */
.success-screen {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--color-primary);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl);
  animation: fadeIn 0.5s ease;
}

.success-screen.active {
  display: flex;
}

.success-screen .success-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xl);
  animation: scaleIn 0.6s var(--transition-spring);
}

.success-screen .success-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.success-screen h2 {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.success-screen p {
  color: rgba(var(--color-white-rgb), 0.7);
  max-width: 420px;
}

/* Confetti particles */
.confetti-particle {
  position: fixed;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  z-index: var(--z-modal);
  pointer-events: none;
  animation: confettiFall 3s ease-out forwards;
}


/* ============================================================
   14. ANIMATIONS
   ============================================================ */

/* Fade in up — scroll reveal */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger support */
.animate-on-scroll[data-delay="1"] { transition-delay: 0.1s; }
.animate-on-scroll[data-delay="2"] { transition-delay: 0.2s; }
.animate-on-scroll[data-delay="3"] { transition-delay: 0.3s; }
.animate-on-scroll[data-delay="4"] { transition-delay: 0.4s; }
.animate-on-scroll[data-delay="5"] { transition-delay: 0.5s; }

/* Hero text entrance */
.hero-animate {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.8s ease forwards;
}

.hero-animate:nth-child(1) { animation-delay: 0.1s; }
.hero-animate:nth-child(2) { animation-delay: 0.3s; }
.hero-animate:nth-child(3) { animation-delay: 0.5s; }
.hero-animate:nth-child(4) { animation-delay: 0.7s; }

/* ---- Keyframes ---- */
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes slideOutLeft {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-40px);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes expandLine {
  to {
    width: 80px;
  }
}

@keyframes bounceDown {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  40% {
    transform: translateY(8px);
    opacity: 0.7;
  }
  60% {
    transform: translateY(4px);
    opacity: 0.5;
  }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes scaleIn {
  from { transform: scale(0); }
  to   { transform: scale(1);  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25%      { transform: translateX(-4px); }
  75%      { transform: translateX(4px); }
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  10%      { transform: translate(-5%, -10%); }
  20%      { transform: translate(-15%, 5%); }
  30%      { transform: translate(7%, -25%); }
  40%      { transform: translate(-5%, 25%); }
  50%      { transform: translate(-15%, 10%); }
  60%      { transform: translate(15%, 0%); }
  70%      { transform: translate(0%, 15%); }
  80%      { transform: translate(3%, 35%); }
  90%      { transform: translate(-10%, 10%); }
}

@keyframes confettiFall {
  0% {
    transform: translateY(-20vh) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(105vh) rotate(720deg);
    opacity: 0;
  }
}


/* ============================================================
   15. ACCESSIBILITY
   ============================================================ */

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Remove outlines for mouse clicks */
:focus:not(:focus-visible) {
  outline: none;
}

/* Skip to content (screen reader) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-accent);
  color: var(--color-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius-sm);
  font-weight: var(--font-weight-semi);
  z-index: var(--z-toast);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }

  .hero-animate {
    opacity: 1;
    transform: none;
  }
}