/* ============================================================
   IdeaCore Labs — Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Manrope:wght@400;500;600;700;800&display=swap');

/* ── Variables ─────────────────────────────────────────── */
:root {
  --color-bg:     #F8F7F2;
  --color-text:   #111111;
  --color-muted:  #5F625E;
  --color-dark:   #0F1720;
  --color-slate:  #334155;
  --color-coral:  #FF6B5A;
  --color-lime:   #A3FF3F;
  --color-border: #E5E1D8;
  --color-white:  #FFFFFF;

  --font-sans:   'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display:'Manrope', var(--font-sans);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.06);

  --section-gap: clamp(80px, 10vw, 140px);
  --container:   1240px;
  --gutter:      clamp(20px, 4vw, 48px);

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ── Layout helpers ────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-gap); }

/* ── Typography scale ──────────────────────────────────── */
.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.display-xl {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6.5vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.03em;
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.025em;
}

.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.02em;
}

.body-lg { font-size: clamp(1rem, 1.4vw, 1.15rem); line-height: 1.7; }
.body-md { font-size: .95rem; line-height: 1.65; }
.body-sm { font-size: .85rem; line-height: 1.6; }

/* ── Color utilities ───────────────────────────────────── */
.text-coral  { color: var(--color-coral); }
.text-lime   { color: var(--color-lime); }
.text-muted  { color: var(--color-muted); }
.text-dark   { color: var(--color-dark); }
.text-white  { color: var(--color-white); }
.bg-dark     { background: var(--color-dark); }
.bg-white    { background: var(--color-white); }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 100px;
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .01em;
  transition: transform .2s var(--ease-out), box-shadow .2s var(--ease-out), background .2s;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--color-dark);
  color: var(--color-white);
}
.btn-primary:hover {
  background: #1a2d40;
  box-shadow: 0 6px 24px rgba(15,23,32,.25);
}

.btn-coral {
  background: var(--color-coral);
  color: var(--color-white);
}
.btn-coral:hover {
  background: #ff5543;
  box-shadow: 0 6px 24px rgba(255,107,90,.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  padding-inline: 0;
  gap: 6px;
}
.btn-ghost .arrow {
  transition: transform .2s var(--ease-out);
  display: inline-block;
}
.btn-ghost:hover .arrow { transform: translateX(4px); }

/* ── Section tag ───────────────────────────────────────── */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 28px;
}
.section-tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-coral);
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 var(--gutter);
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}

.header.scrolled {
  background: rgba(248,247,242,.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--color-border);
}

.header__inner {
  max-width: var(--container);
  margin-inline: auto;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 48px;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  width: 32px; height: 32px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -.02em;
}
.logo-text span { color: var(--color-coral); }

/* Nav */
.header__nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}

.nav-link {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color .2s, background .2s;
}
.nav-link:hover {
  color: var(--color-text);
  background: rgba(0,0,0,.04);
}

.header__cta { margin-left: auto; }

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-bg);
  padding: 100px var(--gutter) 40px;
  flex-direction: column;
  gap: 8px;
}
.mobile-nav.open { display: flex; }

.mobile-nav .nav-link {
  font-size: 1.4rem;
  font-weight: 700;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: 0;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding-top: clamp(100px, 14vw, 160px);
  padding-bottom: clamp(60px, 8vw, 100px);
  overflow: hidden;
  position: relative;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}

.hero__content { position: relative; z-index: 2; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding: 8px 16px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.hero__eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-coral);
  flex-shrink: 0;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.5vw, 5.6rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -.035em;
  margin-bottom: 28px;
}

.hero__title em {
  font-style: normal;
  color: var(--color-coral);
}

.hero__description {
  font-size: clamp(.95rem, 1.3vw, 1.1rem);
  color: var(--color-muted);
  line-height: 1.75;
  max-width: 480px;
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero visual */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px 40px 0;
}

/* ── Hero dashboard composition ─────────────────────── */
.hero-dashboard {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin-left: auto;
}

/* Base card */
.dash-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Main dashboard card */
.dash-card--main {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: float-card 7s ease-in-out infinite;
}

.dash-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.dash-card__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--color-slate);
  letter-spacing: .01em;
}

.dash-badge {
  font-size: .7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  background: #DCFCE7;
  color: #15803D;
  letter-spacing: .02em;
}

/* Module progress rows */
.dash-modules {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dash-module__info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}

.dash-module__name {
  font-size: .75rem;
  color: var(--color-muted);
  font-weight: 500;
}

.dash-module__val {
  font-size: .75rem;
  font-weight: 700;
  color: var(--color-dark);
}

.dash-bar {
  height: 6px;
  background: var(--color-border);
  border-radius: 100px;
  overflow: hidden;
}

.dash-bar__fill {
  height: 100%;
  border-radius: 100px;
  transition: width .8s var(--ease-out);
}

/* Footer stats row */
.dash-footer {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.dash-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: center;
}
.dash-stat + .dash-stat {
  border-left: 1px solid var(--color-border);
}

.dash-stat__num {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -.03em;
}

.dash-stat__lbl {
  font-size: .68rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* Metric floating card */
.dash-card--metric {
  position: absolute;
  top: -24px;
  right: -24px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: float-card 5s ease-in-out infinite reverse;
  z-index: 2;
}

.dash-metric__icon {
  width: 34px; height: 34px;
  background: var(--color-coral);
  color: white;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dash-metric__val {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -.03em;
  line-height: 1.1;
}

.dash-metric__lbl {
  font-size: .7rem;
  color: var(--color-muted);
  line-height: 1.3;
}

/* Deploy notification card */
.dash-card--notify {
  position: absolute;
  bottom: -20px;
  left: -20px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: float-card 6s ease-in-out 1s infinite;
  z-index: 2;
}

.dash-notify__text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.dash-notify__text strong {
  font-size: .78rem;
  font-weight: 700;
  color: var(--color-dark);
}
.dash-notify__text span {
  font-size: .7rem;
  color: var(--color-muted);
}

/* Status dots */
.dash-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dash-dot--green { background: #22C55E; }
.dash-dot--pulse {
  position: relative;
}
.dash-dot--pulse::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: #22C55E;
  opacity: .3;
  animation: pulse-ring 1.8s ease-out infinite;
}

@keyframes pulse-ring {
  0%   { transform: scale(.6); opacity: .4; }
  100% { transform: scale(2);  opacity: 0; }
}

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* ── Scroll fade-in ─────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   TRUST / METRICS
   ============================================================ */
.trust {
  padding-block: clamp(48px, 6vw, 80px);
  border-block: 1px solid var(--color-border);
}

.trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
}

.trust__item {
  background: var(--color-bg);
  padding: clamp(28px, 3vw, 48px) clamp(20px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.trust__number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -.04em;
  color: var(--color-dark);
  line-height: 1;
}

.trust__number span { color: var(--color-coral); }

.trust__label {
  font-size: .85rem;
  color: var(--color-muted);
  line-height: 1.4;
  max-width: 160px;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.services__intro { color: var(--color-muted); max-width: 360px; line-height: 1.7; font-size: .95rem; }

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-card {
  background: var(--color-bg);
  padding: clamp(28px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  transition: background .25s;
  cursor: default;
}

.service-card:hover { background: var(--color-white); }

.service-card__icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  flex-shrink: 0;
  transition: background .25s, border-color .25s;
}
.service-card:hover .service-card__icon {
  background: var(--color-coral);
  border-color: var(--color-coral);
}
.service-card:hover .service-card__icon svg path,
.service-card:hover .service-card__icon svg rect,
.service-card:hover .service-card__icon svg circle,
.service-card:hover .service-card__icon svg polyline,
.service-card:hover .service-card__icon svg line { stroke: white; }

.service-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: -.01em;
}

.service-card__body {
  font-size: .875rem;
  color: var(--color-muted);
  line-height: 1.65;
  flex: 1;
}

.service-card__arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-muted);
  transition: color .2s, gap .2s;
}
.service-card:hover .service-card__arrow {
  color: var(--color-coral);
  gap: 10px;
}

/* ============================================================
   PROJECTS / CASES
   ============================================================ */
.projects { background: var(--color-dark); }

.projects .section-tag {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.1);
  color: rgba(255,255,255,.5);
}

.projects__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: clamp(48px, 6vw, 72px);
  gap: 24px;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.project-card {
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 3vw, 44px);
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,.02);
  transition: border-color .3s, background .3s;
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 280px;
}

.project-card:hover {
  border-color: rgba(255,255,255,.2);
  background: rgba(255,255,255,.04);
}

.project-card__number {
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--color-coral);
  text-transform: uppercase;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -.02em;
  line-height: 1.2;
}

.project-card__body {
  font-size: .875rem;
  color: rgba(255,255,255,.5);
  line-height: 1.65;
  flex: 1;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  border: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.45);
  background: rgba(255,255,255,.04);
}

/* Decorative corner pattern */
.project-card__deco {
  position: absolute;
  bottom: -30px; right: -30px;
  width: 100px; height: 100px;
  border: 1px solid rgba(255,255,255,.05);
  border-radius: 50%;
  pointer-events: none;
}
.project-card__deco::before {
  content: '';
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(255,255,255,.05);
  border-radius: 50%;
}

/* ============================================================
   METHODOLOGY
   ============================================================ */
.methodology__header {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: clamp(48px, 7vw, 90px);
}

.methodology__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.method-step {
  background: var(--color-bg);
  padding: clamp(28px, 3.5vw, 48px) clamp(20px, 2.5vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  transition: background .25s;
}
.method-step:hover { background: var(--color-white); }

.method-step__num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-border);
  letter-spacing: -.04em;
  line-height: 1;
  transition: color .25s;
}
.method-step:hover .method-step__num { color: var(--color-coral); }

.method-step__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
}

.method-step__body {
  font-size: .875rem;
  color: var(--color-muted);
  line-height: 1.65;
}

/* ============================================================
   TECHNOLOGIES
   ============================================================ */
.tech {
  padding-block: clamp(48px, 6vw, 80px);
  border-block: 1px solid var(--color-border);
  overflow: hidden;
}

.tech__label {
  text-align: center;
  margin-bottom: 40px;
}

.tech__track-wrap {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.tech__track {
  display: flex;
  gap: 12px;
  animation: scroll-track 28s linear infinite;
  width: max-content;
}

.tech__track:hover { animation-play-state: paused; }

@keyframes scroll-track {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-slate);
  white-space: nowrap;
  flex-shrink: 0;
  transition: border-color .2s;
}
.tech-pill:hover { border-color: var(--color-coral); }

.tech-pill__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================================
   CTA
   ============================================================ */
.cta {
  background: var(--color-dark);
  padding-block: clamp(80px, 10vw, 140px);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta__bg-deco {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,90,.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta__content { position: relative; z-index: 1; max-width: 640px; margin-inline: auto; }

.cta__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: 20px;
}

.cta__body {
  font-size: clamp(.95rem, 1.3vw, 1.05rem);
  color: rgba(255,255,255,.55);
  line-height: 1.75;
  margin-bottom: 40px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: 48px 36px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 32px;
  margin-bottom: 36px;
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -.02em;
  margin-bottom: 6px;
}
.footer__brand-name span { color: var(--color-coral); }

.footer__tagline {
  font-size: .82rem;
  color: var(--color-muted);
  max-width: 300px;
  line-height: 1.5;
}

.footer__links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__link {
  font-size: .85rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color .2s;
}
.footer__link:hover { color: var(--color-text); }

.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer__copy {
  font-size: .78rem;
  color: var(--color-muted);
}

.footer__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--color-lime);
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--color-dark);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; gap: 60px; }
  .hero__description { max-width: 100%; }
  .hero__visual { order: -1; }
  .hero-composition { max-width: 400px; aspect-ratio: 1; margin-inline: auto; }

  .services__header { grid-template-columns: 1fr; gap: 20px; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }

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

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

/* Mobile */
@media (max-width: 768px) {
  .header__nav,
  .header__cta { display: none; }
  .menu-toggle { display: flex; }

  .hero { padding-top: 100px; }
  .hero__visual { display: none; }

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

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

  .projects__header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .projects__grid { grid-template-columns: 1fr; }

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

  .footer__grid { grid-template-columns: 1fr; }
  .footer__links { gap: 16px; }

  .cta__title { font-size: 2rem; }
}

@media (max-width: 480px) {
  .trust__grid { grid-template-columns: 1fr 1fr; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   WHATSAPP FLOTANTE
   ============================================================ */
.whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px 14px 16px;
  background: #25D366;
  color: #fff;
  border-radius: 100px;
  box-shadow: 0 4px 20px rgba(37,211,102,.35), 0 2px 8px rgba(0,0,0,.12);
  font-size: .875rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out), padding .25s var(--ease-out);
  overflow: hidden;
  max-width: 56px;
}

.whatsapp-btn svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.whatsapp-btn__label {
  white-space: nowrap;
  opacity: 0;
  max-width: 0;
  overflow: hidden;
  transition: opacity .2s, max-width .25s var(--ease-out);
}

.whatsapp-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,211,102,.45), 0 4px 12px rgba(0,0,0,.14);
  max-width: 200px;
  padding-right: 22px;
}

.whatsapp-btn:hover .whatsapp-btn__label {
  opacity: 1;
  max-width: 120px;
}

@media (max-width: 480px) {
  .whatsapp-btn {
    bottom: 20px;
    right: 20px;
  }
}

/* ── Menu open state ──────────────────────────────────── */
.menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}