/* ============================================
   Horizon Bâtiment — Premium BTP Website
   ============================================ */

:root {
  --color-bg: #0a0a0a;
  --color-bg-elevated: #111111;
  --color-bg-card: #161616;
  --color-bg-card-hover: #1c1c1c;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-accent: rgba(245, 158, 11, 0.3);

  --color-text: #f5f5f5;
  --color-text-muted: #a3a3a3;
  --color-text-dim: #737373;

  --color-accent: #f59e0b;
  --color-accent-light: #fbbf24;
  --color-accent-dark: #d97706;
  --color-accent-glow: rgba(245, 158, 11, 0.25);

  --color-whatsapp: #25d366;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --header-height: 80px;
  --section-padding: clamp(5rem, 10vw, 8rem);
  --container-width: 1200px;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: min(100% - 2.5rem, var(--container-width));
  margin-inline: auto;
}

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

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 50px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: #0a0a0a;
  box-shadow: 0 4px 24px var(--color-accent-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--color-accent-glow);
  filter: brightness(1.08);
}

.btn--outline {
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  color: var(--color-text);
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.05);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(245, 158, 11, 0.08);
}

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
  margin-top: 1.5rem;
}

.btn--whatsapp svg {
  width: 22px;
  height: 22px;
}

.btn--whatsapp:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.btn--full {
  width: 100%;
}

/* ---- Section utilities ---- */
.section {
  padding-block: var(--section-padding);
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.section-tag--light {
  color: var(--color-accent-light);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.section-title--light {
  color: #fff;
}

.section-text {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  max-width: 560px;
}

.section-text--center {
  margin-inline: auto;
  text-align: center;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-header .section-text {
  margin-inline: auto;
}

/* ---- Reveal animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.header.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--color-border);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.125rem;
  z-index: 1001;
}

.nav__logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #0a0a0a;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 10px;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

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

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__link--cta {
  padding: 0.625rem 1.5rem;
  background: var(--color-accent);
  color: #0a0a0a !important;
  border-radius: 50px;
  font-weight: 600;
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 4px;
  z-index: 1001;
}

.nav__toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-fast);
  transform-origin: center;
}

.nav__toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(to bottom, rgba(10, 10, 10, 0.5) 0%, rgba(10, 10, 10, 0.3) 40%, rgba(10, 10, 10, 0.85) 100%),
    linear-gradient(to right, rgba(10, 10, 10, 0.7) 0%, transparent 60%);
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-top: var(--header-height);
  max-width: 780px;
}

.hero__badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 50px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: 1.75rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero__title-accent {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: var(--color-text-muted);
  max-width: 540px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ---- Presentation ---- */
.presentation {
  background: var(--color-bg);
}

.presentation__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: center;
  margin-bottom: clamp(4rem, 8vw, 6rem);
}

.presentation__content .section-text {
  margin-bottom: 1.25rem;
}

.presentation__experience {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding: 1.75rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-accent);
}

.presentation__exp-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.presentation__exp-label {
  font-weight: 600;
  font-size: 1.0625rem;
  margin-bottom: 0.25rem;
}

.presentation__exp-desc {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.presentation__image {
  position: relative;
}

.presentation__image img {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.presentation__image-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 60%;
  height: 60%;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.4;
}

.values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.value-card {
  padding: 2rem 1.5rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.value-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.value-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 158, 11, 0.1);
  border-radius: 12px;
  margin-bottom: 1.25rem;
  color: var(--color-accent);
}

.value-card__icon svg {
  width: 24px;
  height: 24px;
}

.value-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.value-card p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ---- Services ---- */
.services {
  background: var(--color-bg-elevated);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-accent), transparent);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.service-card {
  padding: 2rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  border-color: var(--color-border-accent);
  background: var(--color-bg-card-hover);
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.05));
  border-radius: 14px;
  margin-bottom: 1.5rem;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.service-card:hover .service-card__icon {
  transform: scale(1.08);
}

.service-card__icon svg {
  width: 26px;
  height: 26px;
}

.service-card h3 {
  font-size: 1.1875rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.service-card__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition-fast);
}

.service-card__link:hover {
  color: var(--color-accent-light);
}

/* ---- Gallery / Réalisations ---- */
.realisations {
  background: var(--color-bg);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.gallery__compare {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  cursor: ew-resize;
  user-select: none;
}

.gallery__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery__img--before {
  z-index: 1;
}

.gallery__img--after {
  z-index: 2;
  clip-path: inset(0 0 0 50%);
}

.gallery__slider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: var(--color-accent);
  z-index: 3;
  transform: translateX(-50%);
  pointer-events: none;
}

.gallery__slider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.3), 0 4px 20px rgba(0, 0, 0, 0.4);
}

.gallery__slider::after {
  content: '◀ ▶';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.625rem;
  color: #0a0a0a;
  font-weight: 700;
  letter-spacing: -2px;
}

.gallery__label {
  position: absolute;
  top: 1rem;
  z-index: 4;
  padding: 0.375rem 0.875rem;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(8px);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.gallery__label--before { left: 1rem; }
.gallery__label--after { right: 1rem; }

.gallery__info {
  padding: 1.5rem 0.5rem 0;
}

.gallery__info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

.gallery__info p {
  color: var(--color-text-dim);
  font-size: 0.875rem;
}

.gallery__item:hover .gallery__compare {
  box-shadow: 0 20px 60px rgba(245, 158, 11, 0.12);
}

/* ---- Stats ---- */
.stats {
  position: relative;
  overflow: hidden;
}

.stats__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, transparent 50%),
    url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?w=1920&q=60&auto=format&fit=crop') center/cover;
  z-index: 0;
}

.stats__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.88);
}

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

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}

.stat-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-4px);
  background: rgba(245, 158, 11, 0.05);
}

.stat-card__number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.stat-card__label {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
}

/* ---- Testimonials ---- */
.testimonials {
  background: var(--color-bg-elevated);
}

.testimonials__slider {
  max-width: 800px;
  margin-inline: auto;
  overflow: hidden;
}

.testimonials__track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
  flex: 0 0 100%;
  padding: clamp(2rem, 4vw, 3rem);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.testimonial-card__stars {
  color: var(--color-accent);
  font-size: 1.25rem;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}

.testimonial-card__text {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-style: italic;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 2rem;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.testimonial-card__avatar {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #0a0a0a;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 50%;
}

.testimonial-card__author cite {
  display: block;
  font-style: normal;
  font-weight: 600;
  font-size: 1rem;
}

.testimonial-card__author span {
  display: block;
  color: var(--color-text-dim);
  font-size: 0.875rem;
  margin-top: 0.125rem;
}

.testimonials__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.testimonials__btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.testimonials__btn svg {
  width: 20px;
  height: 20px;
}

.testimonials__btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(245, 158, 11, 0.08);
}

.testimonials__dots {
  display: flex;
  gap: 0.5rem;
}

.testimonials__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-dim);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.testimonials__dot.active {
  background: var(--color-accent);
  width: 24px;
  border-radius: 4px;
}

/* ---- Contact ---- */
.contact {
  background: var(--color-bg);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: start;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
}

.contact__item:hover {
  border-color: var(--color-border-accent);
}

.contact__item-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 158, 11, 0.1);
  border-radius: 12px;
  color: var(--color-accent);
}

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

.contact__item span {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.contact__item strong {
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.5;
}

.contact__form {
  padding: clamp(2rem, 4vw, 3rem);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1.125rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

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

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23737373' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}

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

.form-success {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(37, 211, 102, 0.1);
  border: 1px solid rgba(37, 211, 102, 0.3);
  border-radius: 10px;
  color: #4ade80;
  font-size: 0.9375rem;
  text-align: center;
}

/* ---- Footer ---- */
.footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  padding-top: clamp(4rem, 8vw, 5rem);
  padding-bottom: 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin: 1.25rem 0 1.75rem;
  max-width: 280px;
  line-height: 1.7;
}

.footer__social {
  display: flex;
  gap: 0.75rem;
}

.footer__social a {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.footer__social a svg {
  width: 18px;
  height: 18px;
}

.footer__social a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(245, 158, 11, 0.08);
}

.footer__links h4,
.footer__contact h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

.footer__links ul,
.footer__contact ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__links a,
.footer__contact a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer__links a:hover,
.footer__contact a:hover {
  color: var(--color-accent);
}

.footer__contact ul li {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.footer__hours {
  margin-top: 1.75rem;
}

.footer__hours p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: 0.375rem;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.footer__bottom p {
  color: var(--color-text-dim);
  font-size: 0.875rem;
}

.footer__legal {
  display: flex;
  gap: 1.5rem;
}

.footer__legal a {
  color: var(--color-text-dim);
  font-size: 0.875rem;
}

.footer__legal a:hover {
  color: var(--color-accent);
}

/* ---- WhatsApp float ---- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-whatsapp);
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all var(--transition-fast);
  animation: whatsappPulse 3s ease-in-out infinite;
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 24px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 32px rgba(37, 211, 102, 0.6), 0 0 0 8px rgba(37, 211, 102, 0.1); }
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--color-border);
    transition: right var(--transition);
  }

  .nav__menu.open {
    right: 0;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__link--cta {
    margin-top: 1rem;
  }

  .hero__buttons {
    flex-direction: column;
  }

  .hero__buttons .btn {
    width: 100%;
    text-align: center;
  }

  .hero__scroll {
    display: none;
  }

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

  .presentation__image {
    order: -1;
  }

  .presentation__image-accent {
    display: none;
  }

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

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

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

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

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

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .whatsapp-float {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 54px;
    height: 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}