/* ============================================================
   CRITICAL.CSS — Sevilla ESL Pro
   Above-fold critical styles (inlined in <head>)
   ============================================================ */

/* ----- Design Tokens ----- */
:root {
  /* Colors */
  --color-primary: #1a56db;
  --color-primary-dark: #1342a8;
  --color-primary-light: #3b82f6;
  --color-secondary: #059669;
  --color-secondary-dark: #047857;
  --color-secondary-light: #10b981;
  --color-dark: #111827;
  --color-light: #f9fafb;
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Typography */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

/* ----- Container ----- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 2rem;
  }
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

.text-xl {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.5;
}

.text-lg {
  font-size: clamp(1rem, 1.5vw, 1.175rem);
  line-height: 1.6;
}

/* ============================================================
   HEADER — matches .header, .header__container, etc.
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: padding var(--transition-normal),
              background var(--transition-normal),
              box-shadow var(--transition-normal);
}

.header.is-scrolled {
  padding: 0.5rem 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-white);
  white-space: nowrap;
  flex-shrink: 0;
}

.header.is-scrolled .header__logo {
  color: var(--color-primary);
}

.header__logo img {
  height: 2rem;
  width: auto;
}

/* Desktop Nav */
.header__nav {
  display: none;
}

@media (min-width: 1024px) {
  .header__nav {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
}

.header__nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.25rem 0;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-white);
  border-radius: 1px;
  transition: width var(--transition-normal);
}

.header__nav-link:hover,
.header__nav-link.active {
  color: var(--color-white);
}

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

/* Scrolled state — dark text on light bg */
.header.is-scrolled .header__nav-link {
  color: var(--color-gray-600);
}

.header.is-scrolled .header__nav-link::after {
  background: var(--color-primary);
}

.header.is-scrolled .header__nav-link:hover,
.header.is-scrolled .header__nav-link.active {
  color: var(--color-primary);
}

/* Header Actions */
.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header__cta {
  display: none;
}

@media (min-width: 1024px) {
  .header__cta {
    display: inline-flex;
  }
}

/* Cart Button */
.header__cart {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  color: var(--color-gray-700);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.header__cart:hover {
  background: var(--color-gray-100);
}

.header.is-scrolled .header__cart {
  color: var(--color-gray-700);
}

.header.is-scrolled .header__cart:hover {
  background: var(--color-gray-100);
}

.header__cart-icon {
  width: 24px;
  height: 24px;
}

.header__cart-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 1.125rem;
  height: 1.125rem;
  padding: 0 0.3rem;
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1.125rem;
  text-align: center;
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: 9999px;
}

/* Hamburger */
.header__hamburger {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.header__hamburger:hover {
  background: var(--color-gray-100);
}

.header.is-scrolled .header__hamburger:hover {
  background: var(--color-gray-100);
}

@media (min-width: 1024px) {
  .header__hamburger {
    display: none;
  }
}

.header__hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-gray-700);
  border-radius: 1px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.header.is-scrolled .header__hamburger-line {
  background: var(--color-gray-700);
}

.header__hamburger[aria-expanded="true"] .header__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__hamburger[aria-expanded="true"] .header__hamburger-line:nth-child(2) {
  opacity: 0;
}

.header__hamburger[aria-expanded="true"] .header__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.header__mobile-menu {
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-100);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: slideDown 0.3s ease forwards;
}

.header__mobile-menu[hidden] {
  display: none;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.header__mobile-nav {
  display: flex;
  flex-direction: column;
  padding: 1rem 1.25rem 1.5rem;
}

.header__mobile-link {
  display: block;
  padding: 0.75rem 0;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-gray-700);
  border-bottom: 1px solid var(--color-gray-100);
  transition: color var(--transition-fast);
}

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

@media (min-width: 1024px) {
  .header__mobile-menu {
    display: none !important;
  }
}

/* ============================================================
   HERO — full viewport, split layout
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 7rem 0 4rem;
  overflow: hidden;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 40%, #1a56db 100%);
}

.hero__background {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;

}

.hero__gradient-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.3);
}

/* Subtle dot pattern */
.hero__background::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero__container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__content {
  max-width: 720px;
}

.hero__headline {
  color: var(--color-white);
  margin-bottom: 1.25rem;
  font-weight: 800;
}

.hero__subheadline {
  font-size: clamp(1.0625rem, 2vw, 1.3125rem);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Mobile adjustments */
@media (max-width: 767px) {
  .hero {
    padding: 8rem 0 3rem;
  }

  .hero__actions {
    justify-content: center;
  }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn,
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  text-align: center;
  line-height: 1.4;
}

.btn:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* Primary — filled blue */
.btn-primary,
.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
}

.btn-primary:hover,
.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(26, 86, 219, 0.45);
  transform: translateY(-2px);
}

.btn-primary:active,
.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
}

/* Secondary — outlined, white text on dark bg */
.btn-secondary,
.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover,
.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
}

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

/* Size modifiers */
.btn--sm {
  font-size: 0.875rem;
  padding: 0.5rem 1.25rem;
}

.btn--lg {
  font-size: 1rem;
  padding: 0.9375rem 2.25rem;
}

.btn--block {
  display: flex;
  width: 100%;
}

/* ============================================================
   GRID UTILITIES
   ============================================================ */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

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

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

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

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

.text-white {
  color: var(--color-white);
}
