/* =========================================================
   REYDIOUS — Execution Governance Platform
   style.css  |  Orange Theme + Boxed Layout
   ========================================================= */

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

:root {
  /* ── Core Palette (Orange Theme) ── */
  --black:       #000000;
  --bg-root:     #0a0a0a;        /* page outer background */
  --grey-950:    #0e0e0e;
  --grey-900:    #111111;        /* primary dark bg */
  --grey-850:    #161616;
  --grey-800:    #1c1c1c;        /* card bg */
  --grey-750:    #222222;
  --grey-700:    #2a2a2a;        /* borders */
  --grey-600:    #3a3a3a;
  --grey-500:    #555555;
  --grey-400:    #888888;
  --grey-300:    #aaaaaa;
  --grey-200:    #cccccc;
  --grey-100:    #eeeeee;
  --white:       #ffffff;

  /* Orange accent */
  --accent:           #ff6a00;
  --accent-bright:    #ff8533;
  --accent-dim:       #cc5500;
  --accent-glow:      rgba(255, 106, 0, 0.15);
  --accent-glow-strong: rgba(255, 106, 0, 0.30);
  --accent-on-dark:   #ff7a1a;

  --green:       #27c96a;
  --red:         #ff4545;
  --amber:       #ffaa00;

  /* ── "Light" alternate sections → still dark but slightly lighter ── */
  --light-bg:    #161616;
  --light-card:  #1c1c1c;
  --light-border:#2a2a2a;
  --light-text:  #eeeeee;
  --light-muted: #888888;

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

  /* Spacing */
  --section-py:  100px;
  --container:   1180px;
  --box-width:   1200px;   /* boxed layout max-width */
  --container-narrow: 760px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

/* ── Page body — outer chrome ── */
body {
  font-family: var(--font-sans);
  background: var(--bg-root);
  color: var(--grey-200);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* =========================================================
   BOXED LAYOUT WRAPPER
   All sections are clamped inside .page-box
   ========================================================= */
.page-box {
  max-width: var(--box-width);
  margin: 0 auto;
  background: var(--grey-900);
  /* Subtle side shadow to show the box against the outer bg */
  box-shadow: 0 0 80px rgba(0,0,0,0.6);
  overflow: hidden; /* clip internal backgrounds */
}

/* ── Containers inside sections ── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 48px;
}

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

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0 48px;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(14, 14, 14, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--grey-700);
  transition: background 0.3s var(--ease);
}

.navbar.scrolled {
  background: rgba(14, 14, 14, 0.98);
}

.nav-inner {
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  font-family: var(--font-mono);
}

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--grey-300);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--white); }

.nav-cta {
  background: var(--accent) !important;
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 600 !important;
  transition: opacity 0.2s, transform 0.2s !important;
}
.nav-cta:hover { opacity: 0.88; transform: translateY(-1px); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--grey-200);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 94vh;
  padding: 100px 48px 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 64px;
  max-width: var(--container);
  margin: 0 auto;
  overflow: hidden;
}

/* Subtle grid */
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,106,0,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,106,0,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* Radial glow */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 65% 55% at 28% 50%, rgba(255,106,0,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  flex: 1;
  min-width: 280px;
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-on-dark);
  background: rgba(255,106,0,0.08);
  border: 1px solid rgba(255,106,0,0.22);
  border-radius: 100px;
  padding: 6px 16px;
  margin-bottom: 28px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 7px var(--accent);
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.45; transform: scale(0.72); }
}

.hero-title {
  font-size: clamp(3.2rem, 7vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.0;
  color: var(--white);
  margin-bottom: 16px;
  font-family: var(--font-mono);
}

.hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  font-weight: 500;
  color: var(--grey-300);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.hero-desc {
  font-size: 0.95rem;
  color: var(--grey-400);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.925rem;
  font-weight: 600;
  padding: 13px 30px;
  border-radius: 6px;
  cursor: pointer;
  border: none;
  transition: all 0.2s var(--ease);
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,106,0,0.40);
}

.btn-secondary {
  background: transparent;
  color: var(--grey-200);
  border: 1px solid var(--grey-600);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent-on-dark);
  transform: translateY(-2px);
}

.btn-secondary-light {
  background: transparent;
  color: var(--grey-300);
  border: 1px solid var(--grey-600);
}
.btn-secondary-light:hover {
  border-color: var(--accent);
  color: var(--accent-on-dark);
  transform: translateY(-2px);
}

/* ── Hero Visual ── */
.hero-visual {
  position: relative;
  z-index: 1;
  flex: 1;
  min-width: 280px;
  max-width: 460px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.pipeline {
  display: flex;
  align-items: center;
  gap: 0;
  width: 100%;
  justify-content: center;
}

.pipeline-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--grey-800);
  border: 1px solid var(--grey-700);
  border-radius: 14px;
  padding: 20px 18px 16px;
  min-width: 86px;
  transition: border-color 0.3s;
  position: relative;
}

.pipeline-node i {
  font-size: 1.5rem;
  color: var(--grey-400);
}

.pipeline-node span {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--grey-500);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.node-reydious {
  border-color: var(--accent) !important;
  background: rgba(255,106,0,0.07) !important;
  box-shadow: 0 0 28px rgba(255,106,0,0.18);
  transform: scale(1.08);
}
.node-reydious i { color: var(--accent) !important; }
.node-reydious > span:first-of-type { color: var(--accent-on-dark) !important; }

.node-tag {
  position: absolute;
  top: -10px;
  background: var(--accent);
  color: var(--white);
  font-size: 0.62rem !important;
  font-weight: 700 !important;
  padding: 2px 8px;
  border-radius: 100px;
  letter-spacing: 0.06em;
}

.pipeline-arrow {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 4px;
  position: relative;
  overflow: hidden;
}

.arrow-line {
  width: 40px;
  height: 2px;
  background: var(--grey-700);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.arrow-pulse {
  position: absolute;
  top: 0; left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: arrowPulse 2s linear infinite;
}

@keyframes arrowPulse {
  0%   { left: -60%; }
  100% { left: 110%; }
}

.pipeline-arrow > i {
  font-size: 0.65rem;
  color: var(--grey-600);
}

.pipeline-status {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 310px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--grey-400);
  background: var(--grey-800);
  border: 1px solid var(--grey-700);
  border-left: 3px solid var(--green);
  border-radius: 6px;
  padding: 10px 14px;
  opacity: 0;
  animation: fadeInStatus 0.5s var(--ease) forwards;
}

.status-item i { color: var(--green); font-size: 0.82rem; }
.status-validated { animation-delay: 0.6s; }
.status-policy    { animation-delay: 1.0s; }
.status-recorded  { animation-delay: 1.4s; }

@keyframes fadeInStatus {
  from { opacity: 0; transform: translateX(14px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* =========================================================
   SECTIONS — General
   ========================================================= */
.section {
  padding: var(--section-py) 0;
}

/* Alternating dark tones */
.section-dark  { background: var(--grey-900); }
.section-light { background: var(--light-bg); }

/* Override light section text to stay on dark */
.section-light .section-label span:not(.label-line) { color: var(--accent-on-dark); }
.section-light .label-line       { background: var(--grey-700); }
.section-light .section-title    { color: var(--white); }
.section-light .section-lead     { color: var(--grey-300); }
.section-light .section-desc     { color: var(--grey-400); }
.section-light .section-footer-text { color: var(--grey-500); }
.section-light .capabilities-title  { color: var(--white); }
.section-light .section-sub-lead    { color: var(--accent-on-dark); }

/* Section Label */
.section-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-on-dark);
}

.label-line {
  display: block;
  flex: 0 0 36px;
  height: 1px;
  background: var(--grey-700);
}

/* Section Typography */
.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--white);
  text-align: center;
  margin-bottom: 20px;
}

.section-lead {
  font-size: 1rem;
  color: var(--grey-300);
  text-align: center;
  max-width: 660px;
  margin: 0 auto 16px;
  line-height: 1.75;
}

.section-sub-lead {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-on-dark);
  text-align: center;
  margin-bottom: 36px;
  font-family: var(--font-mono);
}

.section-desc {
  font-size: 0.95rem;
  color: var(--grey-400);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.8;
}

.section-footer-text {
  text-align: center;
  font-size: 0.9rem;
  color: var(--grey-500);
  margin-top: 44px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  font-style: italic;
}

.capabilities-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  text-align: center;
  margin-bottom: 32px;
  margin-top: 60px;
}

/* =========================================================
   PROBLEM SECTION
   ========================================================= */
.problem-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 620px;
  margin: 0 auto 8px;
}

.problem-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--grey-850);
  border: 1px solid var(--grey-700);
  border-left: 3px solid var(--red);
  border-radius: 8px;
  padding: 16px 20px;
  transition: border-left-color 0.2s;
}

.problem-item:hover { border-left-color: var(--accent); }

.problem-icon {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,69,69,0.1);
  border-radius: 7px;
  font-size: 0.88rem;
  color: var(--red);
}

.problem-item p {
  font-size: 0.925rem;
  color: var(--grey-300);
  padding-top: 2px;
}

/* =========================================================
   SOLUTION SECTION
   ========================================================= */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 0 auto 8px;
  max-width: 840px;
}

.solution-card {
  text-align: center;
  background: var(--grey-800);
  border: 1px solid var(--grey-700);
  border-radius: 12px;
  padding: 32px 22px;
  transition: transform 0.22s var(--ease), border-color 0.22s, box-shadow 0.22s;
}

.solution-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,106,0,0.35);
  box-shadow: 0 10px 32px rgba(255,106,0,0.1);
}

.solution-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(255,106,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.35rem;
  color: var(--accent-on-dark);
}

.solution-card h3 {
  font-size: 0.975rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.solution-card p {
  font-size: 0.85rem;
  color: var(--grey-400);
}

/* =========================================================
   CARDS GRID
   ========================================================= */
.cards-grid {
  display: grid;
  gap: 18px;
  margin-top: 8px;
}

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

.card {
  border-radius: 12px;
  padding: 30px 22px;
  transition: transform 0.25s var(--ease), border-color 0.25s, box-shadow 0.25s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(255,106,0,0.35) !important;
  box-shadow: 0 14px 38px rgba(0,0,0,0.4);
}

/* Both section types use dark cards now */
.section-dark .card,
.section-light .card {
  background: var(--grey-800);
  border: 1px solid var(--grey-700);
}

/* Centered cards */
.card-centered {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.35rem;
  background: rgba(255,106,0,0.1);
  color: var(--accent-on-dark);
}

.card h4 {
  font-size: 0.975rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.card p {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--grey-400);
}

/* Pillar cards */
.card-pillar {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pillar-number {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 14px;
  opacity: 0.75;
}

/* Application cards */
.card-app {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* =========================================================
   HOW IT WORKS — STEPS
   ========================================================= */
.how-it-works {
  margin-top: 80px;
  padding-top: 64px;
  border-top: 1px solid var(--grey-700);
}

.steps {
  display: flex;
  gap: 0;
  justify-content: center;
  max-width: 880px;
  margin: 48px auto 0;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 27px;
  left: calc(12.5% + 6px);
  right: calc(12.5% + 6px);
  height: 2px;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  opacity: 0.22;
  z-index: 0;
}

.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 14px;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--grey-850);
  border: 2px solid var(--accent);
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 0 18px rgba(255,106,0,0.18);
  transition: transform 0.2s, box-shadow 0.2s;
}

.step:hover .step-number {
  transform: scale(1.1);
  box-shadow: 0 0 28px rgba(255,106,0,0.35);
}

.step-text {
  font-size: 0.85rem;
  color: var(--grey-400);
  line-height: 1.65;
  max-width: 155px;
}

/* =========================================================
   DEMO SECTION
   ========================================================= */
.demo-coming-soon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 48px auto 0;
  width: fit-content;
}

.demo-pulse-ring {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 2px solid rgba(255,106,0,0.22);
  animation: demoRing 2.6s ease-out infinite;
}

@keyframes demoRing {
  0%   { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.85); opacity: 0; }
}

.demo-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: var(--grey-800);
  border: 1px solid var(--grey-700);
  border-radius: 18px;
  padding: 36px 52px;
  position: relative;
  z-index: 1;
}

.demo-inner i {
  font-size: 2rem;
  color: var(--accent-on-dark);
}

.demo-inner span {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey-400);
  font-family: var(--font-mono);
}

/* =========================================================
   CLOSING SECTION
   ========================================================= */
.section-closing {
  background: var(--grey-950);
  border-top: 1px solid var(--grey-700);
  border-bottom: 1px solid var(--grey-700);
  text-align: center;
}

.closing-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.closing-lead {
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.closing-desc {
  font-size: 0.975rem;
  color: var(--grey-400);
  max-width: 520px;
  line-height: 1.75;
}

/* =========================================================
   CONTACT FORM
   ========================================================= */
.contact-form {
  margin-top: 44px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--grey-300);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  background: var(--grey-850);
  border: 1px solid var(--grey-700);
  border-radius: 7px;
  padding: 12px 16px;
  color: var(--grey-100);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--grey-600); }

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,106,0,0.12);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-submit { display: flex; justify-content: center; }

.form-success {
  display: none;
  text-align: center;
  font-size: 0.9rem;
  color: var(--green);
  padding: 12px;
  font-weight: 500;
}

.form-success.visible {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  background: var(--grey-950);
  padding: 44px 48px;
  border-top: 1px solid var(--grey-700);
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

.footer-tagline {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--grey-500);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--grey-600);
  margin-top: 12px;
}

/* =========================================================
   SCROLL ANIMATIONS
   ========================================================= */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   RESPONSIVE — TABLET  (≤ 1024px)
   ========================================================= */
@media (max-width: 1024px) {
  :root { --section-py: 72px; }

  .container { padding: 0 32px; }
  .navbar { padding: 0 32px; }
  .hero   { padding: 90px 32px 72px; }
  .footer { padding: 40px 32px; }

  .hero {
    flex-direction: column;
    text-align: center;
    gap: 48px;
    min-height: auto;
  }

  .hero-content { max-width: 100%; }
  .hero-desc    { margin: 0 auto 40px; }

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

  .steps { flex-wrap: wrap; gap: 32px; }
  .steps::before { display: none; }
  .step { flex: 0 0 calc(50% - 16px); }
}

/* =========================================================
   RESPONSIVE — MOBILE  (≤ 640px)
   ========================================================= */
@media (max-width: 640px) {
  :root { --section-py: 56px; }

  .container { padding: 0 20px; }
  .navbar    { padding: 0 20px; }
  .hero      { padding: 80px 20px 60px; }
  .footer    { padding: 36px 20px; }

  /* Navbar mobile */
  .nav-hamburger { display: flex; }

  .nav-links {
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: rgba(14,14,14,0.98);
    backdrop-filter: blur(14px);
    flex-direction: column;
    gap: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease);
    border-bottom: 1px solid var(--grey-700);
  }

  .nav-links.open { max-height: 500px; }

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: 14px 20px;
    border-bottom: 1px solid var(--grey-800);
  }

  .nav-cta {
    margin: 12px 20px;
    display: block;
    text-align: center;
    border-radius: 6px;
    border-bottom: none !important;
  }

  .cards-3,
  .cards-4,
  .solution-grid { grid-template-columns: 1fr; }

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

  .step { flex: 0 0 100%; }

  .pipeline { flex-wrap: wrap; gap: 10px; justify-content: center; }
  .pipeline-arrow { display: none; }

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