/* =============================================
   JERANTO REFORMAS — Premium Landing Page
   ============================================= */

:root {
  --primary: #1C222B;
  --gold: #BE9552;
  --gold-light: #d4ad6a;
  --gold-dark: #a07d3f;
  --bg: #FFFFFF;
  --bg-gray: #F5F5F5;
  --text: #333333;
  --text-light: #666666;
  --text-muted: #999999;
  --white: #FFFFFF;

  --font: 'Poppins', sans-serif;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.25s ease;
  --shadow: 0 4px 30px rgba(28, 34, 43, 0.08);
  --shadow-lg: 0 20px 60px rgba(28, 34, 43, 0.12);
  --radius: 4px;
  --header-height: 90px;
}

*, *::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);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

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

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 120px 0;
}

.section--gray {
  background: var(--bg-gray);
}

/* ---- Typography ---- */
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 560px;
  font-weight: 300;
  line-height: 1.8;
}

.section-header {
  margin-bottom: 72px;
}

.section-header .section-desc {
  margin-top: 8px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 16px 36px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--gold {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}

.btn--gold:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(190, 149, 82, 0.35);
}

.btn--outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 18px 44px;
  font-size: 0.875rem;
}

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

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

.header--scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(28, 34, 43, 0.06);
}

.header--scrolled .nav__link {
  color: var(--text);
}

.header--scrolled .nav__link:hover,
.header--scrolled .nav__link.active {
  color: var(--gold);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 32px;
}

.header__logo img {
  height: 96px;
  width: auto;
  transition: opacity var(--transition-fast);
}

.header__logo:hover img {
  opacity: 0.85;
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.3px;
  position: relative;
  padding: 4px 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}

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

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

.header__cta {
  padding: 12px 28px;
  font-size: 0.8rem;
}

.nav__cta-mobile {
  display: none;
}

.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  z-index: 1002;
}

.header__burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
  transform-origin: center;
}

.header--scrolled .header__burger span,
.header__burger.open span {
  background: var(--primary);
}

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

.header__burger.open span:nth-child(2) {
  opacity: 0;
}

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

.nav-overlay {
  display: none;
}

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

.hero__bg {
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?w=1920&q=85') center/cover no-repeat;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(28, 34, 43, 0.55) 0%,
    rgba(28, 34, 43, 0.75) 50%,
    rgba(28, 34, 43, 0.85) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: calc(var(--header-height) + 60px) 32px 120px;
  max-width: 900px;
}

.hero__title {
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 32px;
}

.hero__title span {
  display: block;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 300;
  opacity: 0.85;
  max-width: 580px;
  margin: 0 auto 48px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.hero__scroll:hover {
  color: var(--gold);
}

.hero__scroll-text {
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
}

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

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ---- Animations ---- */
.animate-in {
  opacity: 0;
  transform: translateY(40px);
  animation: fadeUp 1s var(--transition) forwards;
}

.animate-in--delay-1 { animation-delay: 0.2s; }
.animate-in--delay-2 { animation-delay: 0.4s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal--delay { transition-delay: 0.15s; }
.reveal--delay-2 { transition-delay: 0.3s; }
.reveal--delay-3 { transition-delay: 0.45s; }

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

/* ---- About ---- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__visual {
  position: relative;
}

.about__image-wrap {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-radius: var(--radius);
}

.about__image-wrap img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.about__visual:hover .about__image-wrap img {
  transform: scale(1.03);
}

.about__accent {
  position: absolute;
  bottom: -24px;
  right: -24px;
  width: 60%;
  height: 60%;
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  z-index: 0;
}

.about__text {
  color: var(--text-light);
  margin-bottom: 20px;
  font-weight: 300;
  line-height: 1.9;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid rgba(28, 34, 43, 0.08);
}

.stat__number {
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat--rating .stat__number {
  color: var(--gold);
}

.stat__label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.5px;
}

/* ---- Services ---- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--white);
  padding: 48px 36px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all var(--transition);
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: border-color var(--transition);
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
  border-color: var(--gold);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  color: var(--gold);
  margin-bottom: 28px;
}

.service-card__icon svg {
  width: 100%;
  height: 100%;
}

.service-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
}

.service-card__text {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 300;
  line-height: 1.8;
}

/* ---- Why ---- */
.why__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.why-card {
  text-align: center;
  padding: 40px 24px;
}

.why-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(190, 149, 82, 0.3);
  border-radius: 50%;
  color: var(--gold);
  transition: all var(--transition);
}

.why-card__icon svg {
  width: 28px;
  height: 28px;
}

.why-card:hover .why-card__icon {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
  transform: scale(1.05);
}

.why-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
}

.why-card__text {
  font-size: 0.875rem;
  color: var(--text-light);
  font-weight: 300;
  line-height: 1.8;
}

/* ---- Projects ---- */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  cursor: pointer;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.project-card:hover img {
  transform: scale(1.08);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(28, 34, 43, 0.9) 0%,
    rgba(28, 34, 43, 0.3) 50%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.project-card__title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}

.project-card__link {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 1px;
  transition: color var(--transition-fast);
}

.project-card:hover .project-card__link {
  color: var(--gold);
}

/* ---- Process / Timeline ---- */
.timeline {
  position: relative;
  padding: 20px 0;
}

.timeline__line {
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.timeline__steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.timeline__step {
  text-align: center;
  padding: 0 12px;
}

.timeline__circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold);
  margin: 0 auto 24px;
  transition: all var(--transition);
}

.timeline__step:hover .timeline__circle {
  background: var(--gold);
  color: var(--white);
  transform: scale(1.08);
  box-shadow: 0 8px 30px rgba(190, 149, 82, 0.3);
}

.timeline__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.timeline__text {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 300;
  line-height: 1.7;
}

/* ---- Testimonials ---- */
.testimonials__slider {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  min-height: 280px;
}

.testimonials__track {
  position: relative;
}

.testimonial {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  text-align: center;
  padding: 20px;
}

.testimonial.active {
  opacity: 1;
  transform: translateY(0);
  position: relative;
}

.testimonial__stars {
  color: var(--gold);
  font-size: 1.4rem;
  letter-spacing: 4px;
  margin-bottom: 28px;
}

.testimonial__text {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 300;
  color: var(--text);
  line-height: 1.9;
  font-style: italic;
  margin-bottom: 32px;
}

.testimonial__author strong {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
  font-style: normal;
}

.testimonial__author span {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: normal;
}

.testimonials__dots {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(190, 149, 82, 0.25);
  transition: all var(--transition-fast);
  padding: 0;
}

.dot.active,
.dot:hover {
  background: var(--gold);
  transform: scale(1.2);
}

/* ---- CTA ---- */
.cta {
  background: var(--primary);
  padding: 100px 0;
  text-align: center;
}

.cta__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.cta__text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.65);
  font-weight: 300;
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

/* ---- Contact ---- */
.contact__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact__form {
  background: var(--bg-gray);
  padding: 48px;
  border-radius: var(--radius);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px 20px;
  border: 1px solid rgba(28, 34, 43, 0.1);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(190, 149, 82, 0.12);
}

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

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

.contact__card {
  background: var(--primary);
  padding: 40px;
  border-radius: var(--radius);
  margin-bottom: 32px;
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.contact__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.contact__item:first-child {
  padding-top: 0;
}

.contact__icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
}

.contact__icon svg {
  width: 24px;
  height: 24px;
}

.contact__item h3 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 6px;
}

.contact__item a,
.contact__item p {
  font-size: 1rem;
  color: var(--white);
  font-weight: 400;
}

.contact__item a:hover {
  color: var(--gold);
}

.contact__hours h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
}

.contact__hours p {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 300;
}

/* ---- Footer ---- */
.footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.6);
  padding: 80px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer__logo img {
  height: 48px;
  width: auto;
  margin-bottom: 20px;
  filter: brightness(1.1);
}

.footer__brand p {
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 280px;
}

.footer__social {
  display: flex;
  gap: 16px;
}

.footer__social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition-fast);
}

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

.footer__social a:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--white);
}

.footer__col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 24px;
}

.footer__col li {
  margin-bottom: 12px;
}

.footer__col a {
  font-size: 0.9rem;
  font-weight: 300;
  transition: color var(--transition-fast);
}

.footer__col a:hover {
  color: var(--gold);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 300;
}

.footer__legal {
  display: flex;
  gap: 24px;
}

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

/* ---- Floating elements ---- */
.whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  z-index: 999;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 100px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  box-shadow: var(--shadow);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--gold);
  transform: translateY(-4px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

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

  .why__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

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

  .timeline__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }

  .timeline__line {
    display: none;
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 72px;
  }

  .section {
    padding: 80px 0;
  }

  .container {
    padding: 0 20px;
  }

  .header__burger {
    display: flex;
  }

  .header__cta {
    display: none;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--header-height) + 32px) 32px 32px;
    gap: 0;
    transition: right var(--transition);
    box-shadow: -10px 0 40px rgba(28, 34, 43, 0.15);
    z-index: 1001;
  }

  .nav.open {
    right: 0;
  }

  .nav__link {
    color: var(--text);
    font-size: 1rem;
    padding: 16px 0;
    width: 100%;
    border-bottom: 1px solid rgba(28, 34, 43, 0.06);
  }

  .nav__cta-mobile {
    display: inline-flex;
    margin-top: 24px;
    width: 100%;
  }

  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(28, 34, 43, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }

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

  .about__accent {
    bottom: -16px;
    right: -16px;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

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

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

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

  .timeline__steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .timeline__step {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    text-align: left;
    padding: 0;
  }

  .timeline__circle {
    width: 56px;
    height: 56px;
    font-size: 1.1rem;
    margin: 0;
    flex-shrink: 0;
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact__form {
    padding: 32px 24px;
  }

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

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .footer__legal {
    flex-wrap: wrap;
    justify-content: center;
  }

  .back-to-top {
    right: 24px;
    bottom: 100px;
  }

  .whatsapp-float {
    right: 24px;
    bottom: 24px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .hero__actions .btn {
    width: 100%;
    max-width: 320px;
  }
}

@media (max-width: 480px) {
  .section-header {
    margin-bottom: 48px;
  }

  .service-card {
    padding: 36px 28px;
  }
}