/* ============================================================
   CLICKS & TAPS — AGENCY WEBSITE STYLESHEET
   Brand-true: Montserrat + Open Sans, #0052CC, dark+light themes
   ============================================================ */

/* ===========================
   1. DESIGN TOKENS
   =========================== */

/* Brand source-of-truth */
:root {
  --brand-blue:   #0052CC;
  --brand-blue-2: #003D99;
  --brand-teal:   #3A7CA5;
  --brand-black:  #0A0A0A;
  --brand-white:  #FFFFFF;
  --brand-gray:   #F4F5F7;
  --star-gold:    #F5C842;
  --whatsapp:     #25D366;

  --font-display: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:    'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm:    8px;
  --radius:       14px;
  --radius-lg:    20px;
  --radius-xl:    28px;

  --ease:         cubic-bezier(0.4, 0, 0.2, 1);
  --max-w:        1200px;
  --section-py:   clamp(96px, 12vw, 160px);
}

/* DARK THEME (default) — brand-tinted, no neutral grey */
:root,
[data-theme="dark"] {
  --bg-primary:    #0A0A0A;
  --bg-secondary:  #0F0F18;        /* slight cool tint, not grey */
  --bg-card:       #14141F;        /* cool tinted dark surface */
  --bg-elevated:   #1C1C2A;
  --text-primary:  #FFFFFF;
  --text-secondary:#C4C8D6;        /* cool tinted, not grey */
  --text-muted:    #7A8099;        /* cool tinted muted */
  --border:        rgba(80, 120, 200, 0.14);
  --border-hover:  rgba(80, 120, 200, 0.30);
  --border-strong: rgba(80, 120, 200, 0.50);
  --accent:        #1F6FE5;
  --accent-hover:  #4189F0;
  --accent-soft:   rgba(31, 111, 229, 0.16);
  --accent-line:   rgba(31, 111, 229, 0.40);
  --teal:          #4F94BD;
  --shadow-card:   0 4px 32px rgba(0, 0, 0, 0.5);
  --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(80,120,200,0.18);
  --btn-text:      #FFFFFF;
  --surface-tint:  rgba(80, 120, 200, 0.06);
  --hero-mesh-1:   rgba(31, 111, 229, 0.30);
  --hero-mesh-2:   rgba(79, 148, 189, 0.20);
  --hero-mesh-3:   rgba(31, 111, 229, 0.16);
  --glass-bg:      rgba(20, 20, 31, 0.55);
  --glass-border:  rgba(255, 255, 255, 0.08);
}

/* LIGHT THEME — brand-tinted, no neutral grey */
[data-theme="light"] {
  --bg-primary:    #FFFFFF;
  --bg-secondary:  #F5F8FD;        /* slight blue tint, not grey */
  --bg-card:       #FFFFFF;
  --bg-elevated:   #F0F5FC;
  --text-primary:  #0A0A0A;
  --text-secondary:#2E3548;        /* deep cool, not grey */
  --text-muted:    #5A6280;        /* cool brand-tinted muted */
  --border:        rgba(0, 82, 204, 0.14);
  --border-hover:  rgba(0, 82, 204, 0.30);
  --border-strong: rgba(0, 82, 204, 0.50);
  --accent:        #0052CC;
  --accent-hover:  #003D99;
  --accent-soft:   rgba(0, 82, 204, 0.07);
  --accent-line:   rgba(0, 82, 204, 0.30);
  --teal:          #3A7CA5;
  --shadow-card:   0 1px 2px rgba(10, 10, 10, 0.04), 0 12px 32px rgba(0, 82, 204, 0.06);
  --shadow-card-hover: 0 2px 4px rgba(10, 10, 10, 0.06), 0 24px 48px rgba(0, 82, 204, 0.10);
  --btn-text:      #FFFFFF;
  --surface-tint:  rgba(0, 82, 204, 0.03);
  --hero-mesh-1:   rgba(0, 82, 204, 0.18);
  --hero-mesh-2:   rgba(58, 124, 165, 0.16);
  --hero-mesh-3:   rgba(0, 82, 204, 0.10);
  --glass-bg:      rgba(255, 255, 255, 0.65);
  --glass-border:  rgba(0, 82, 204, 0.10);
}

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

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 220ms ease, color 220ms ease;
}

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

/* Smooth theme transitions on commonly themed surfaces */
nav, section, footer, .btn, .service-card, .service-card-featured,
.diff-card, .case-card, .testimonial-card, .pricing-point, .faq-item,
.cta-box, .about-image-box, .platform-pill, .stat-box, .cert-badge {
  transition: background-color 220ms ease, color 220ms ease, border-color 220ms ease;
}

/* ===========================
   3. SCROLL PROGRESS BAR
   =========================== */
#progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ===========================
   4. TYPOGRAPHY
   =========================== */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin-bottom: 22px;
}

.section-sub {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.65;
}

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

/* ===========================
   5. LAYOUT UTILITIES
   =========================== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

.section { padding: var(--section-py) 0; }

.section-header { margin-bottom: clamp(56px, 8vw, 96px); }
.section-header.centered { text-align: center; }
.section-header.centered .section-sub { margin: 0 auto; }

/* ===========================
   6. BUTTONS
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  transition: transform 0.2s var(--ease), background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--btn-text);
}

.btn-primary:hover {
  transform: translateY(-1px);
  background: var(--accent-hover);
}

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

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
}

.btn-ghost:hover {
  border-color: var(--border-strong);
  background: var(--surface-tint);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 16px;
}

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ===========================
   7. NAVIGATION
   =========================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 18px 0;
  transition: background-color 0.35s var(--ease), padding 0.35s var(--ease), border-color 0.35s var(--ease), backdrop-filter 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}

[data-theme="dark"] #navbar.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom-color: var(--border);
}

[data-theme="light"] #navbar.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  color: var(--text-primary);
}

.nav-logo svg { height: 24px; width: auto; display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: color 0.2s, background-color 0.2s;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: var(--surface-tint);
}

.nav-cta { display: flex; align-items: center; gap: 10px; }

.nav-cta .btn {
  padding: 10px 22px;
  font-size: 14px;
}

/* Theme toggle button */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: border-color 0.2s, background-color 0.2s, color 0.2s;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--border-hover);
  background: var(--surface-tint);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}

.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); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 800;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  transition: color 0.2s;
}

.mobile-menu a:hover { color: var(--accent); }
.mobile-menu .btn { margin-top: 16px; }

/* ===========================
   8. HERO — kinetic, glassmorphic, parallax
   =========================== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 140px;
  padding-bottom: 100px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

/* Animated gradient mesh background */
.hero-mesh {
  position: absolute;
  inset: -10%;
  z-index: -1;
  pointer-events: none;
  transform: translate3d(0, calc(var(--scroll-y, 0) * -0.4px), 0);
  will-change: transform;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.85;
  will-change: transform;
}

.hero-orb-1 {
  width: 50vw; height: 50vw;
  top: -10%; left: -10%;
  background: var(--hero-mesh-1);
  animation: orbDrift1 28s ease-in-out infinite;
}

.hero-orb-2 {
  width: 42vw; height: 42vw;
  top: 20%; right: -12%;
  background: var(--hero-mesh-2);
  animation: orbDrift2 32s ease-in-out infinite;
}

.hero-orb-3 {
  width: 36vw; height: 36vw;
  bottom: -10%; left: 30%;
  background: var(--hero-mesh-3);
  animation: orbDrift3 36s ease-in-out infinite;
}

@keyframes orbDrift1 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50%      { transform: translate3d(8vw, 6vw, 0) scale(1.1); }
}
@keyframes orbDrift2 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50%      { transform: translate3d(-7vw, 8vw, 0) scale(0.95); }
}
@keyframes orbDrift3 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50%      { transform: translate3d(6vw, -8vw, 0) scale(1.08); }
}

/* Cursor-follow spotlight (hero only) */
.hero-spotlight {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.4s ease;
  transform: translate3d(var(--mx, 50%), var(--my, 50%), 0) translate(-50%, -50%);
  will-change: transform, opacity;
}

#hero:hover .hero-spotlight { opacity: 1; }

.hero-container { position: relative; z-index: 1; }

.hero-grid { max-width: 880px; }

.hero-content { position: relative; z-index: 1; }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 104px);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.045em;
  margin-bottom: 28px;
  color: var(--text-primary);
}

.hero-title .accent-text { color: var(--accent); }

.hero-sub {
  font-family: var(--font-body);
  font-size: 19px;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 560px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.trust-item {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

.trust-dot {
  color: var(--accent);
  font-weight: 700;
  opacity: 0.6;
}

/* Magnetic button base */
.btn-magnetic {
  transform: translate3d(var(--btn-tx, 0), var(--btn-ty, 0), 0);
  transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.4, 1.1), background-color 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.btn-magnetic:hover {
  transform: translate3d(var(--btn-tx, 0), calc(var(--btn-ty, 0) - 1px), 0);
}

/* ===========================
   9. CLIENT LOGO GRID (2-row)
   =========================== */
#clients {
  padding: clamp(60px, 7vw, 96px) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.clients-head {
  text-align: center;
  margin-bottom: clamp(40px, 5vw, 56px);
}

.clients-eyebrow {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.client-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 36px 32px;
  align-items: center;
  justify-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.client-cell {
  width: 100%;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  animation: clientFloat 7s ease-in-out infinite;
  transition: transform 0.25s ease;
}

.client-cell:nth-child(2n)  { animation-delay: -1.4s; }
.client-cell:nth-child(3n)  { animation-delay: -3.0s; }
.client-cell:nth-child(4n)  { animation-delay: -4.6s; }
.client-cell:nth-child(5n)  { animation-delay: -2.2s; }
.client-cell:nth-child(7n)  { animation-delay: -5.4s; }

.client-cell img,
.client-cell .logo-text-fallback {
  max-width: 100%;
  max-height: 40px;
  object-fit: contain;
  opacity: 1;
  transition: transform 0.25s ease;
}

.client-cell:hover { transform: scale(1.06); }

@keyframes clientFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-3px); }
}

.logo-text-fallback {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  display: inline-block;
  padding: 0 4px;
}

/* ===========================
   10. SERVICES
   =========================== */
#services { background: var(--bg-secondary); }

.services-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Featured (Paid Media) */
.service-card-featured {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(36px, 5vw, 64px);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 56px;
  align-items: center;
  box-shadow: var(--shadow-card);
}

[data-theme="light"] .service-card-featured {
  background: linear-gradient(180deg, #FFFFFF 0%, rgba(0, 82, 204, 0.025) 100%);
}

.service-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 22px;
}

.service-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  flex-shrink: 0;
}

.service-icon svg { width: 26px; height: 26px; color: var(--accent); }

.service-card-featured h3 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin-bottom: 18px;
}

.service-card-featured .service-desc {
  font-family: var(--font-body);
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 28px;
  line-height: 1.65;
}

.service-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.service-feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-tint);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 7px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: border-color 0.2s, color 0.2s;
}

.service-feature-tag:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.service-feature-tag svg { width: 13px; height: 13px; color: var(--accent); }

.service-stat {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent-soft);
  border-radius: 12px;
  padding: 12px 18px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

/* Platforms stack */
.platforms-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 240px;
}

.platform-pill {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 18px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: 0 1px 2px rgba(10, 10, 10, 0.04);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s, background-color 0.2s;
}

.platform-pill:hover {
  border-color: var(--border-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 82, 204, 0.10);
}

.platform-icon {
  width: 28px; height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

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

/* Secondary services */
.services-secondary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(28px, 4vw, 44px);
  box-shadow: var(--shadow-card);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s, background-color 220ms ease;
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  margin: 18px 0 12px;
  letter-spacing: -0.02em;
}

.service-card .service-desc {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 24px;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-secondary);
}

.service-list li::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 9px;
  flex-shrink: 0;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  transition: gap 0.2s;
}

.service-link:hover { gap: 10px; }
.service-link svg { width: 16px; height: 16px; }

/* ===========================
   11. WHY US (DIFFERENTIATORS)
   =========================== */
#why-us { background: var(--bg-primary); }

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

.diff-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s, background-color 220ms ease;
}

.diff-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.diff-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.diff-icon svg { width: 22px; height: 22px; color: var(--accent); }

.diff-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.diff-card p {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===========================
   12. PROCESS
   =========================== */
#process { background: var(--bg-secondary); }

.process-steps {
  display: flex;
  flex-direction: column;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent) 0%, transparent 100%);
}

.process-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  padding: 20px 0;
  position: relative;
}

.step-number {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--text-muted);
  flex-shrink: 0;
  z-index: 1;
  transition: all 0.3s;
}

.process-step.active .step-number,
.process-step:hover .step-number {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.step-content {
  padding-top: 12px;
  padding-bottom: 16px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.step-content p {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 560px;
}

.process-cta {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.process-cta-text {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.process-cta-text span { color: var(--accent); }

/* ===========================
   13. RESULTS / STATS
   =========================== */
#results { background: var(--bg-primary); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 80px;
}

.stat-box {
  background: var(--bg-card);
  padding: 48px 36px;
  text-align: center;
  position: relative;
  border-right: 1px solid var(--border);
}

.stat-box:last-child { border-right: none; }

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.4vw, 56px);
  font-weight: 900;
  letter-spacing: -0.045em;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 10px;
}

.stat-number.accent { color: var(--accent); }

.stat-label {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s, background-color 220ms ease;
}

.case-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.case-industry {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.case-card h4 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.case-challenge {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 22px;
  line-height: 1.6;
}

.case-result {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
}

.case-result-num {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 900;
  letter-spacing: -0.035em;
  color: var(--accent);
}

.case-result-label {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.case-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 18px 0;
}

.case-meta {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===========================
   14. TESTIMONIALS
   =========================== */
#testimonials { background: var(--bg-secondary); }

.testimonials-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s, background-color 220ms ease;
}

.testimonial-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.testimonial-stars {
  display: inline-flex;
  gap: 3px;
}

.testimonial-stars svg {
  width: 16px;
  height: 16px;
  color: var(--star-gold);
  fill: var(--star-gold);
}

.testimonial-quote {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  color: var(--accent);
  flex-shrink: 0;
}

.author-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
}

.author-company {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ===========================
   15. ABOUT — single column, team-focused
   =========================== */
#about { background: var(--bg-primary); }

.about-wrap {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.about-content { width: 100%; }

.about-content .eyebrow,
.about-content .section-title {
  text-align: center;
}

.about-lead {
  margin: 0 auto 56px;
  max-width: 720px;
  font-size: 19px;
  line-height: 1.65;
}

.about-stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
  margin: 0 auto 48px;
}

.about-stat {
  text-align: center;
  position: relative;
}

.about-stat:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0; top: 12%; bottom: 12%;
  width: 1px;
  background: var(--border);
}

.about-stat-num {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.6vw, 56px);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 10px;
}

.about-stat-num.accent { color: var(--accent); }

.about-stat-lbl {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.about-pedigree {
  font-family: var(--font-body);
  font-size: 14px;
  margin: 0 auto 48px;
  max-width: 760px;
  line-height: 1.8;
}

.about-pedigree-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.about-pedigree-list {
  font-family: var(--font-display);
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.about-pedigree-list .sep {
  display: inline-block;
  margin: 0 12px;
  color: var(--accent);
  font-weight: 900;
}

.about-cta {
  display: flex;
  justify-content: center;
}

/* ===========================
   16. PRICING
   =========================== */
#pricing { background: var(--bg-secondary); }

.pricing-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 880px;
  margin: 0 auto 56px;
}

.pricing-point {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s, background-color 220ms ease;
}

.pricing-point:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.pricing-point .num {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: -0.035em;
  line-height: 1;
}

.pricing-point h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.pricing-point p {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.pricing-cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.pricing-cta-text h3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
}

.pricing-cta-text p {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 480px;
}

/* ===========================
   17. FAQ
   =========================== */
#faq { background: var(--bg-primary); }

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item.open { border-color: var(--border-hover); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  transition: color 0.2s;
}

.faq-question:hover { color: var(--accent); }

.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s;
}

.faq-item.open .faq-icon {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  transform: rotate(45deg);
}

.faq-icon svg { width: 14px; height: 14px; color: var(--text-muted); }
.faq-item.open .faq-icon svg { color: var(--accent); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}

.faq-item.open .faq-answer { max-height: 320px; }

.faq-answer-inner {
  padding: 0 28px 24px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===========================
   18. FINAL CTA
   =========================== */
#cta-final {
  background: var(--bg-primary);
  padding: var(--section-py) 0;
}

.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(56px, 10vw, 112px) clamp(32px, 8vw, 96px);
  text-align: center;
}

.cta-box .eyebrow { margin-bottom: 24px; }

.cta-box h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.6vw, 72px);
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 22px;
  line-height: 1.02;
}

.cta-box .section-sub {
  margin: 0 auto 40px;
  font-size: 19px;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.cta-contact-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.contact-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.2s;
}

.contact-item:hover { color: var(--text-primary); }
.contact-item svg { width: 16px; height: 16px; color: var(--accent); }

/* ===========================
   19. FOOTER
   =========================== */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 72px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand .nav-logo svg {
  height: 24px;
  margin-bottom: 18px;
}

.footer-tagline {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 280px;
  margin-bottom: 24px;
}

.social-links { display: flex; gap: 10px; }

.social-link {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.2s;
}

.social-link:hover {
  border-color: var(--border-hover);
  color: var(--accent);
  background: var(--accent-soft);
}

.social-link svg { width: 16px; height: 16px; }

.footer-col h5 {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.footer-links { display: flex; flex-direction: column; gap: 10px; }

.footer-links a,
.footer-links li {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.2s;
  line-height: 1.5;
}

.footer-links a:hover { color: var(--text-primary); }

.footer-address {
  color: var(--text-muted) !important;
  font-size: 13px !important;
  line-height: 1.55 !important;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-copyright,
.footer-legal a,
.footer-location {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a { transition: color 0.2s; }
.footer-legal a:hover { color: var(--text-primary); }

.footer-location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-location svg { width: 14px; height: 14px; color: var(--accent); }

/* ===========================
   20. FLOATING WHATSAPP
   =========================== */
.whatsapp-float {
  position: fixed;
  bottom: max(24px, env(safe-area-inset-bottom));
  right: 24px;
  z-index: 800;
  width: 56px; height: 56px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.35);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 10px 32px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg { width: 28px; height: 28px; color: var(--brand-white); }

/* ===========================
   21. AOS FALLBACK
   =========================== */
[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: auto; }

/* ===========================
   22. RESPONSIVE LADDER
   1280 / 1024 / 820 / 640 / 480
   =========================== */

/* Large laptop: tighten container */
@media (max-width: 1279px) {
  .hero-title { font-size: clamp(48px, 7.4vw, 88px); }
  .client-grid { gap: 32px 24px; }
}

/* Tablet landscape */
@media (max-width: 1023px) {
  .hero-grid { max-width: 100%; }
  .about-grid { grid-template-columns: 1fr; gap: 56px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-box:nth-child(2) { border-right: none; }
  .stat-box:nth-child(1),
  .stat-box:nth-child(2) { border-bottom: 1px solid var(--border); }
  .service-card-featured { grid-template-columns: 1fr; gap: 36px; }
  .platforms-stack { flex-direction: row; flex-wrap: wrap; min-width: 0; }
  .platform-pill { flex: 1; min-width: 160px; }
  .pricing-cta-box { flex-direction: column; text-align: center; align-items: center; }
  .case-studies-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-track { grid-template-columns: 1fr 1fr; }
  .client-grid { grid-template-columns: repeat(5, 1fr); gap: 32px 24px; }
}

/* Tablet portrait */
@media (max-width: 819px) {
  .hero-title { font-size: clamp(40px, 8vw, 64px); }
  .testimonials-track { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .case-studies-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .pricing-cta-box { padding: 36px 32px; }
  .process-cta { flex-direction: column; align-items: stretch; text-align: center; }
}

/* Phone landscape (mobile menu kicks in) */
@media (max-width: 767px) {
  :root { --section-py: clamp(72px, 12vw, 96px); }

  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  #hero { min-height: auto; padding-top: 110px; padding-bottom: 56px; }
  .hero-title { font-size: clamp(40px, 11vw, 56px); }
  .hero-sub { font-size: 17px; }
  .hero-actions { flex-direction: column; align-items: stretch; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .hero-trust { gap: 12px; }
  .trust-divider { display: none; }

  .services-secondary { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .pricing-points { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .cta-actions { flex-direction: column; align-items: stretch; width: 100%; }
  .cta-actions .btn { width: 100%; }
  .cta-contact-row { flex-direction: column; gap: 14px; }

  .client-grid { grid-template-columns: repeat(4, 1fr); gap: 28px 16px; }
  .client-cell { height: 48px; }
}

/* Phone portrait */
@media (max-width: 479px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-box { border-right: none !important; border-bottom: 1px solid var(--border); }
  .stat-box:last-child { border-bottom: none; }

  .hero-title { font-size: 36px; line-height: 1.0; }
  .section-title { font-size: 32px; }
  .cta-box h2 { font-size: 32px; }

  .nav-cta { gap: 6px; }

  .whatsapp-float { bottom: max(16px, env(safe-area-inset-bottom)); right: 16px; width: 50px; height: 50px; }
  .whatsapp-float svg { width: 24px; height: 24px; }

  .pricing-cta-box { padding: 32px 24px; }
}

/* About stat strip responsive */
@media (max-width: 819px) {
  .about-stat-strip { grid-template-columns: 1fr 1fr; gap: 32px 0; padding: 32px 0; }
  .about-stat:nth-child(2)::after { display: none; }
  .about-stat:nth-child(1),
  .about-stat:nth-child(2) { padding-bottom: 24px; border-bottom: 1px solid var(--border); }
  .about-pedigree-list .sep { margin: 0 8px; }
}

@media (max-width: 479px) {
  .about-stat-strip { grid-template-columns: 1fr; }
  .about-stat::after { display: none !important; }
  .about-stat { padding: 16px 0; border-bottom: 1px solid var(--border); }
  .about-stat:last-child { border-bottom: none; }
  .about-pedigree-list { font-size: 14px; }
  .about-pedigree-list .sep { margin: 0 6px; }
}

@media (max-width: 767px) {
  .hero-orb { filter: blur(80px); }
  .hero-spotlight { display: none; }
}

/* ===========================
   23. REDUCED MOTION
   =========================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .hero-orb { animation: none !important; }
  .hero-mesh { transform: none !important; }
  .client-cell { animation: none !important; }
  .hero-spotlight { display: none !important; }
}