/* ============================================================
   Korean Food Ingredients Trading — Landing Page Styles
   Design System: Stripe-inspired (DESIGN.md)
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Design Tokens ===== */
:root {
  /* Primary */
  --color-purple: #533afd;
  --color-purple-hover: #4434d4;
  --color-navy: #061b31;
  --color-white: #ffffff;

  /* Brand & Dark */
  --color-brand-dark: #1c1e54;
  --color-dark-navy: #0d253d;

  /* Accent */
  --color-ruby: #ea2261;
  --color-magenta: #f96bee;
  --color-magenta-light: #ffd7ef;

  /* Interactive */
  --color-purple-deep: #2e2b8c;
  --color-purple-light: #b9b9f9;
  --color-purple-mid: #665efd;

  /* Neutral */
  --color-body: #64748d;
  --color-label: #273951;
  --color-success: #15be53;
  --color-success-text: #108c3d;

  /* Surface & Borders */
  --color-border: #e5edf5;
  --color-border-purple: #b9b9f9;
  --color-border-soft-purple: #d6d9fc;
  --color-border-dashed: #362baa;

  /* Shadows */
  --shadow-subtle: rgba(23,23,23,0.06) 0px 3px 6px;
  --shadow-ambient: rgba(23,23,23,0.08) 0px 15px 35px 0px;
  --shadow-elevated: rgba(50,50,93,0.25) 0px 30px 45px -30px, rgba(0,0,0,0.1) 0px 18px 36px -18px;
  --shadow-deep: rgba(3,3,39,0.25) 0px 14px 21px -14px, rgba(0,0,0,0.1) 0px 8px 17px -8px;

  /* Typography */
  --font-primary: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Source Code Pro', 'SFMono-Regular', monospace;

  /* Layout */
  --max-width: 1080px;
  --section-padding: 96px 0;
  --section-padding-mobile: 56px 0;
}

/* ===== Base Styles ===== */
body {
  font-family: var(--font-primary);
  font-feature-settings: "ss01";
  font-weight: 300;
  font-size: 16px;
  line-height: 1.40;
  color: var(--color-body);
  background-color: var(--color-white);
  overflow-x: hidden;
}

a {
  color: var(--color-purple);
  text-decoration: none;
  font-weight: 400;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-purple-hover);
}

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

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-navy);
  font-feature-settings: "ss01";
  font-weight: 300;
}

h1 {
  font-size: 3.50rem;    /* 56px */
  line-height: 1.03;
  letter-spacing: -1.4px;
}

h2 {
  font-size: 2.00rem;    /* 32px */
  line-height: 1.10;
  letter-spacing: -0.64px;
}

h3 {
  font-size: 1.63rem;    /* 26px */
  line-height: 1.12;
  letter-spacing: -0.26px;
}

h4 {
  font-size: 1.38rem;    /* 22px */
  line-height: 1.10;
  letter-spacing: -0.22px;
}

.text-body-large {
  font-size: 1.13rem;    /* 18px */
  line-height: 1.40;
  font-weight: 300;
}

.text-caption {
  font-size: 0.81rem;    /* 13px */
  font-weight: 400;
  line-height: normal;
}

.text-caption-small {
  font-size: 0.75rem;    /* 12px */
  font-weight: 300;
  line-height: 1.33;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-primary);
  font-feature-settings: "ss01";
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.00;
  padding: 10px 20px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-ghost {
  background-color: transparent;
  color: var(--color-purple);
  border: 1px solid var(--color-border-purple);
}
.btn-ghost:hover {
  background-color: rgba(83,58,253,0.05);
  color: var(--color-purple);
}

.btn-white {
  background-color: var(--color-white);
  color: var(--color-purple);
}
.btn-white:hover {
  background-color: rgba(255,255,255,0.9);
  color: var(--color-purple-hover);
}

.btn-small {
  font-size: 0.88rem;
  padding: 8px 16px;
}

.btn-large {
  padding: 12px 28px;
  font-size: 1rem;
}

/* ===== Badges ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-white);
  color: var(--color-navy);
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  font-size: 0.81rem;  /* 13px */
  font-weight: 400;
  font-feature-settings: "ss01";
}

.badge-success {
  background: rgba(21,190,83,0.2);
  color: var(--color-success-text);
  border-color: rgba(21,190,83,0.4);
  font-size: 10px;
  font-weight: 300;
  padding: 1px 6px;
}

.badge-purple {
  background: rgba(83,58,253,0.08);
  color: var(--color-purple);
  border-color: var(--color-border-soft-purple);
}

/* ===== Cards ===== */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 32px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

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

.card-featured {
  border-radius: 8px;
  box-shadow: var(--shadow-ambient);
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.13rem;
  font-weight: 400;
  color: var(--color-navy);
  font-feature-settings: "ss01";
  text-decoration: none;
}

.nav-brand-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--color-ruby), var(--color-magenta));
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: white;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.88rem;    /* 14px */
  font-weight: 400;
  color: var(--color-navy);
  font-feature-settings: "ss01";
  transition: color 0.2s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  color: var(--color-navy);
}

.nav-hamburger svg {
  width: 24px;
  height: 24px;
}

/* Mobile Nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(12px);
  padding: 24px;
  z-index: 999;
  flex-direction: column;
  gap: 8px;
}

.nav-mobile.active {
  display: flex;
}

.nav-mobile a {
  display: block;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-navy);
  font-feature-settings: "ss01";
  border-radius: 6px;
  transition: background 0.2s ease;
}

.nav-mobile a:hover {
  background: rgba(83,58,253,0.05);
  color: var(--color-purple);
}

/* ===== Hero Section ===== */
.hero {
  padding-top: 160px;
  padding-bottom: 96px;
  position: relative;
  overflow: hidden;
  background: var(--color-white);
}

.hero-decoration {
  position: absolute;
  top: -200px;
  right: -300px;
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse at center,
    rgba(234,34,97,0.06) 0%,
    rgba(249,107,238,0.04) 40%,
    rgba(83,58,253,0.02) 70%,
    transparent 100%
  );
  border-radius: 50%;
  pointer-events: none;
}

.hero-decoration-2 {
  position: absolute;
  bottom: -100px;
  left: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse at center,
    rgba(83,58,253,0.04) 0%,
    rgba(185,185,249,0.02) 50%,
    transparent 100%
  );
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-text {
  max-width: 540px;
}

.hero-badge {
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease forwards;
}

.hero h1 {
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease 0.1s forwards;
  opacity: 0;
}

.hero .text-body-large {
  margin-bottom: 32px;
  animation: fadeInUp 0.6s ease 0.2s forwards;
  opacity: 0;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s forwards;
  opacity: 0;
}

.hero-image {
  position: relative;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero-image img {
  border-radius: 8px;
  box-shadow: var(--shadow-elevated);
}

.hero-image-badge {
  position: absolute;
  bottom: -16px;
  left: -16px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 12px 16px;
  box-shadow: var(--shadow-ambient);
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-image-badge .badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse 2s ease infinite;
}

.hero-image-badge span {
  font-size: 0.81rem;
  font-weight: 400;
  color: var(--color-navy);
}

/* ===== Section Common ===== */
.section {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-header .overline {
  display: inline-block;
  font-size: 0.81rem;
  font-weight: 400;
  color: var(--color-purple);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  font-feature-settings: "ss01";
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.13rem;
  line-height: 1.40;
}

/* ===== Products Section ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  padding: 28px;
}

.product-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  background: rgba(83,58,253,0.06);
  border: 1px solid var(--color-border-soft-purple);
}

.product-card h4 {
  margin-bottom: 8px;
}

.product-card p {
  font-size: 0.88rem;
  line-height: 1.50;
  color: var(--color-body);
}

.product-card .product-tags {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.product-tag {
  font-size: 11px;
  font-weight: 400;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(83,58,253,0.04);
  color: var(--color-label);
  border: 1px solid var(--color-border);
}

/* ===== Process Section ===== */
.process {
  background: #fafbfd;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.process-step {
  text-align: center;
  padding: 32px 24px;
  position: relative;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 52px;
  right: 0;
  width: 50%;
  height: 2px;
  background: var(--color-border);
}

.process-step::before {
  content: '';
  position: absolute;
  top: 52px;
  left: 0;
  width: 50%;
  height: 2px;
  background: var(--color-border);
}

.process-step:first-child::before {
  display: none;
}

.process-step:last-child::after {
  display: none;
}

.process-step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-purple);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 0.88rem;
  font-weight: 400;
  font-feature-settings: "tnum";
  position: relative;
  z-index: 2;
}

.process-step h4 {
  margin-bottom: 8px;
  font-size: 1.13rem;
}

.process-step p {
  font-size: 0.81rem;
  line-height: 1.50;
  color: var(--color-body);
}

/* ===== Trust Section (Dark) ===== */
.trust {
  background: var(--color-brand-dark);
  padding: var(--section-padding);
  position: relative;
  overflow: hidden;
}

.trust::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse at center,
    rgba(234,34,97,0.1) 0%,
    rgba(249,107,238,0.05) 50%,
    transparent 100%
  );
  border-radius: 50%;
  pointer-events: none;
}

.trust .section-header .overline {
  color: var(--color-magenta-light);
}

.trust .section-header h2 {
  color: var(--color-white);
}

.trust .section-header p {
  color: rgba(255,255,255,0.7);
}

.trust-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.trust-stat {
  text-align: center;
  padding: 32px 16px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  background: rgba(255,255,255,0.03);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.trust-stat:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
}

.trust-stat-number {
  font-size: 2.50rem;
  font-weight: 300;
  color: var(--color-white);
  font-feature-settings: "tnum";
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}

.trust-stat-label {
  font-size: 0.81rem;
  font-weight: 400;
  color: rgba(255,255,255,0.6);
}

.trust-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.trust-certs {
  padding: 32px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  background: rgba(255,255,255,0.03);
}

.trust-certs h3 {
  color: var(--color-white);
  margin-bottom: 24px;
  font-size: 1.38rem;
}

.cert-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px;
  background: rgba(255,255,255,0.02);
}

.cert-icon {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  background: rgba(83,58,253,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.cert-info h5 {
  color: var(--color-white);
  font-size: 0.88rem;
  font-weight: 400;
  margin-bottom: 2px;
}

.cert-info p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
}

.trust-testimonial {
  padding: 32px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  background: rgba(255,255,255,0.03);
}

.trust-testimonial blockquote {
  font-size: 1.13rem;
  font-weight: 300;
  color: rgba(255,255,255,0.85);
  line-height: 1.60;
  margin-bottom: 24px;
  font-style: normal;
  position: relative;
  padding-left: 20px;
  border-left: 2px solid var(--color-purple-light);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-purple), var(--color-purple-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
  font-weight: 400;
}

.testimonial-meta h5 {
  color: var(--color-white);
  font-size: 0.88rem;
  font-weight: 400;
}

.testimonial-meta p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
}

/* ===== Contact Section ===== */
.contact {
  padding: var(--section-padding);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}

.contact-form {
  padding: 40px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: var(--shadow-ambient);
}

.contact-form h3 {
  margin-bottom: 8px;
}

.contact-form > p {
  margin-bottom: 32px;
  font-size: 0.88rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--color-label);
  font-feature-settings: "ss01";
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-primary);
  font-feature-settings: "ss01";
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--color-navy);
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-body);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-purple);
  box-shadow: 0 0 0 3px rgba(83,58,253,0.08);
}

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

.form-submit {
  margin-top: 24px;
}

.form-submit .btn {
  width: 100%;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-card {
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  transition: box-shadow 0.3s ease;
}

.contact-info-card:hover {
  box-shadow: var(--shadow-subtle);
}

.contact-info-card h4 {
  font-size: 1rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-info-card p {
  font-size: 0.88rem;
  line-height: 1.60;
  color: var(--color-body);
}

.contact-info-card a {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--color-purple);
}

.contact-messenger {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.messenger-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 4px;
  font-size: 0.81rem;
  font-weight: 400;
  font-feature-settings: "ss01";
  transition: all 0.2s ease;
}

.messenger-line {
  background: #06C755;
  color: white;
}
.messenger-line:hover {
  background: #05b34c;
  color: white;
}

.messenger-email {
  background: var(--color-purple);
  color: white;
}
.messenger-email:hover {
  background: var(--color-purple-hover);
  color: white;
}

.response-time {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(21,190,83,0.08);
  border: 1px solid rgba(21,190,83,0.2);
  border-radius: 4px;
  margin-top: 8px;
}

.response-time .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse 2s ease infinite;
}

.response-time span {
  font-size: 0.81rem;
  font-weight: 400;
  color: var(--color-success-text);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-dark-navy);
  padding: 48px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 280px;
}

.footer-brand-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.13rem;
  font-weight: 400;
  color: var(--color-white);
  font-feature-settings: "ss01";
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.81rem;
  line-height: 1.60;
  color: rgba(255,255,255,0.5);
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col h5 {
  font-size: 0.81rem;
  font-weight: 400;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  font-weight: 300;
  margin-bottom: 10px;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
}

.footer-lang {
  display: flex;
  gap: 12px;
}

.footer-lang a {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  font-weight: 400;
}

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

.footer-lang a.active {
  color: var(--color-white);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Scroll-triggered animation base */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children .reveal:nth-child(1) { transition-delay: 0.0s; }
.stagger-children .reveal:nth-child(2) { transition-delay: 0.08s; }
.stagger-children .reveal:nth-child(3) { transition-delay: 0.16s; }
.stagger-children .reveal:nth-child(4) { transition-delay: 0.24s; }
.stagger-children .reveal:nth-child(5) { transition-delay: 0.32s; }
.stagger-children .reveal:nth-child(6) { transition-delay: 0.40s; }

/* ===== Responsive: Tablet ===== */
@media (max-width: 1024px) {
  h1 {
    font-size: 3.00rem;     /* 48px */
    letter-spacing: -0.96px;
    line-height: 1.15;
  }

  .hero {
    padding-top: 120px;
    padding-bottom: 64px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-text {
    max-width: 100%;
    text-align: center;
  }

  .hero-ctas {
    justify-content: center;
  }

  .hero-image {
    max-width: 480px;
    margin: 0 auto;
  }

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

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .process-step::after,
  .process-step::before {
    display: none;
  }

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

  .trust-content {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }
}

/* ===== Responsive: Mobile ===== */
@media (max-width: 640px) {
  :root {
    --section-padding: 56px 0;
  }

  h1 {
    font-size: 2.00rem;     /* 32px */
    letter-spacing: -0.64px;
    line-height: 1.10;
  }

  h2 {
    font-size: 1.63rem;
    letter-spacing: -0.26px;
  }

  h3 {
    font-size: 1.38rem;
    letter-spacing: -0.22px;
  }

  .nav-links {
    display: none;
  }

  .nav-actions .btn {
    display: none;
  }

  .nav-hamburger {
    display: block;
  }

  .hero {
    padding-top: 104px;
    padding-bottom: 48px;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }

  .hero-ctas .btn {
    width: 100%;
    justify-content: center;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .trust-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .trust-stat {
    padding: 20px 12px;
  }

  .trust-stat-number {
    font-size: 1.75rem;
  }

  .cert-list {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 24px;
  }

  .footer-links {
    flex-direction: column;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .section-header {
    margin-bottom: 40px;
  }
}