/* ============================================
   VARIABLES
   ============================================ */
:root {
  --color-primary: #6366F1;
  --color-primary-dark: #4F46E5;
  --color-primary-light: #818CF8;
  --color-secondary: #5C7A5F;
  --color-accent: #4A7FA5;
  --color-bg: #F8F9FA;
  --color-bg-alt: #F0F1FF;
  --color-bg-dark: #1E1E2E;
  --color-text: #111827;
  --color-text-muted: #6B7280;
  --color-border: #E5E7EB;
  --color-white: #FFFFFF;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --size-xs: 0.75rem;
  --size-sm: 0.875rem;
  --size-base: 1rem;
  --size-lg: 1.125rem;
  --size-xl: 1.25rem;
  --size-2xl: 1.5rem;
  --size-3xl: 1.875rem;
  --size-4xl: 2.25rem;
  --size-5xl: 3rem;
  --size-6xl: 3.75rem;
  --size-7xl: 4.5rem;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.05);

  --transition: 0.2s ease;
  --container-max: 1200px;
  --container-pad: clamp(1.25rem, 4vw, 2rem);
  --nav-height: 72px;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--size-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; }

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2 {
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

h3, h4 {
  font-family: var(--font-body);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}

h1 { font-size: clamp(var(--size-4xl), 6vw, var(--size-7xl)); }
h2 { font-size: clamp(var(--size-3xl), 4vw, var(--size-5xl)); }
h3 { font-size: var(--size-xl); }

p { color: var(--color-text-muted); }
em { font-style: italic; color: var(--color-primary); }

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-5xl);
}

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

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--size-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.section-title { margin-bottom: var(--space-md); }
.section-subtitle { font-size: var(--size-lg); }
.text-center { text-align: center; }
.mt-xl { margin-top: var(--space-2xl); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--size-sm);
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-text);
  transform: translateY(-2px);
}

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

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: var(--size-base);
}

/* ============================================
   HEADER / NAV
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(248, 249, 250, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: var(--size-lg);
  color: var(--color-text);
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 22px;
  height: 30px;
  flex-shrink: 0;
}

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

.nav-link {
  font-size: var(--size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.nav-link--cta {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  background-color: var(--color-primary);
  color: var(--color-white) !important;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all var(--transition);
}

.nav-link--cta:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  width: 36px;
  height: 36px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   HERO (Homepage)
   ============================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(155deg, #F8F9FF 0%, #EEF2FF 55%, #E0E7FF 100%);
  padding-top: var(--nav-height);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--size-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.hero-title {
  margin-bottom: var(--space-xl);
  max-width: 15ch;
}

.hero-subtitle {
  font-size: clamp(var(--size-base), 2vw, var(--size-xl));
  max-width: 50ch;
  margin-bottom: var(--space-2xl);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-mountains {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  z-index: 1;
  line-height: 0;
  pointer-events: none;
}

.hero-mountains svg {
  width: 100%;
  height: auto;
}

/* ============================================
   PAGE HERO (Inner pages)
   ============================================ */
.page-hero {
  position: relative;
  background: linear-gradient(155deg, #F8F9FF 0%, #EEF2FF 60%, #E0E7FF 100%);
  padding-top: calc(var(--nav-height) + var(--space-4xl));
  padding-bottom: var(--space-4xl);
  overflow: hidden;
}

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

.page-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--size-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.page-hero__eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.page-hero h1 {
  font-size: clamp(var(--size-4xl), 5vw, var(--size-6xl));
  margin-bottom: var(--space-md);
  max-width: 18ch;
}

.page-hero p {
  font-size: var(--size-lg);
  max-width: 52ch;
}

.page-hero-mountains {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  z-index: 1;
  line-height: 0;
  pointer-events: none;
}

.page-hero-mountains svg {
  width: 100%;
  height: auto;
}

/* ============================================
   FEATURES
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xl);
}

.feature-card {
  padding: var(--space-xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #EEF2FF, #E0E7FF);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 { margin-bottom: var(--space-xs); }

/* ============================================
   SERVICES CARDS (Preview + Full)
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.services-grid--full {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.service-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-2xl);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  cursor: default;
}

.service-card--link {
  cursor: pointer;
}

.service-card--link:hover,
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(99,102,241,0.05));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
  flex-shrink: 0;
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-size: var(--size-xl);
  margin-bottom: var(--space-sm);
}

.service-card p {
  flex: 1;
  margin-bottom: var(--space-lg);
  line-height: 1.65;
}

.service-card__link {
  font-size: var(--size-sm);
  font-weight: 600;
  color: var(--color-primary);
  transition: letter-spacing var(--transition);
}

.service-card--link:hover .service-card__link {
  letter-spacing: 0.02em;
}

.service-card__features {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.service-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--size-sm);
  color: var(--color-text-muted);
}

.service-card__features li::before {
  content: '';
  display: block;
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='8' cy='8' r='8' fill='%236366F1' fill-opacity='0.12'/%3E%3Cpath d='M5 8l2 2 4-4' stroke='%236366F1' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  flex-shrink: 0;
}

/* ============================================
   PROCESS SECTION
   ============================================ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xl);
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 28px);
  right: calc(12.5% + 28px);
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-border), var(--color-primary));
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
}

.process-step__number {
  width: 56px;
  height: 56px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--size-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
  border: 4px solid var(--color-bg-alt);
}

.process-step h3 { margin-bottom: var(--space-xs); }

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #3730A3 100%);
  padding-block: var(--space-5xl);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 1440 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolygon points='0,160 480,40 960,120 1440,20 1440,160' fill='rgba(255,255,255,0.04)'/%3E%3Cpolygon points='0,160 360,80 720,140 1080,50 1440,100 1440,160' fill='rgba(255,255,255,0.03)'/%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
}

.cta-banner__content {
  position: relative;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-banner p {
  color: rgba(255,255,255,0.78);
  font-size: var(--size-lg);
  margin-bottom: var(--space-2xl);
}

.cta-banner .btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.cta-banner .btn--white:hover {
  background-color: rgba(255,255,255,0.92);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  transform: translateY(-2px);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-4xl);
  align-items: start;
}

.contact-form-wrap {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.contact-form-wrap h2 {
  font-size: clamp(var(--size-2xl), 3vw, var(--size-4xl));
  margin-bottom: var(--space-xs);
}

.contact-form-wrap > p {
  margin-bottom: var(--space-2xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: var(--space-lg);
}

.form-group label {
  font-size: var(--size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-group .optional {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: var(--size-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: var(--size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%236B6560' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px;
  padding-right: 2.5rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

.form-submit {
  width: 100%;
  border-radius: var(--radius-md);
  padding: 0.875rem 2rem;
  font-size: var(--size-base);
  font-weight: 600;
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
}

.form-success.visible {
  display: block;
}

.form-success__icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(99,102,241,0.05));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  color: var(--color-primary);
}

.form-success__icon svg {
  width: 32px;
  height: 32px;
}

.form-success h3 {
  font-size: var(--size-2xl);
  margin-bottom: var(--space-sm);
}

.contact-info { padding-top: var(--space-md); }

.contact-info h3 {
  font-size: var(--size-2xl);
  margin-bottom: var(--space-sm);
}

.contact-info > p {
  margin-bottom: var(--space-2xl);
  line-height: 1.65;
}

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

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-detail__icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #EEF2FF, #E0E7FF);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-detail__icon svg {
  width: 20px;
  height: 20px;
}

.contact-detail__text strong {
  display: block;
  font-size: var(--size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

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

.contact-promise {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border-left: 3px solid var(--color-primary);
}

.contact-promise p {
  font-size: var(--size-sm);
  font-style: italic;
  margin: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background-color: var(--color-bg-dark);
  padding-block: var(--space-3xl) var(--space-xl);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xl);
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .nav-logo {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  font-size: var(--size-sm);
  color: rgba(255,255,255,0.45);
  max-width: 240px;
}

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

.footer-nav a {
  font-size: var(--size-sm);
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
  font-weight: 500;
}

.footer-nav a:hover { color: var(--color-white); }

.footer-bottom p {
  font-size: var(--size-xs);
  color: rgba(255,255,255,0.3);
}

.admin-login-link {
  font-size: var(--size-xs);
  color: rgba(255,255,255,0.2);
  text-decoration: none;
}

.admin-login-link:hover {
  color: rgba(255,255,255,0.5);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-info {
    order: -1;
    padding-top: 0;
  }

  .process-grid::before {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --space-4xl: 4rem;
    --space-5xl: 5rem;
  }

  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md) 0;
    box-shadow: var(--shadow-md);
  }

  .nav-links.open { display: flex; }

  .nav-link {
    display: block;
    padding: 0.75rem var(--container-pad);
    border-radius: 0;
  }

  .nav-link--cta {
    margin: var(--space-sm) var(--container-pad) 0;
    justify-content: center;
    border-radius: var(--radius-full);
  }

  .hero-content { padding-bottom: 160px; }
  .page-hero { padding-bottom: 140px; }

  .footer-inner { flex-direction: column; gap: var(--space-xl); }
  .footer-nav { flex-wrap: wrap; gap: var(--space-md); }
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }

  .hero-actions { flex-direction: column; }
  .btn { justify-content: center; width: fit-content; }
  .hero-actions .btn { width: 100%; }
}