@import url("https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap");

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

:root {
  --bg-primary: #0f0f0f;
  --bg-secondary: #1a1a1a;
  --bg-card: #222222;
  --bg-card-hover: #2a2a2a;
  --accent: #d4a24e;
  --accent-light: #e8c171;
  --accent-dark: #b8862e;
  --text-primary: #f0ece4;
  --text-secondary: #a8a29e;
  --text-muted: #6b6560;
  --border: #333333;
  --border-light: #444444;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: "DM Sans", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* GRAIN OVERLAY */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(15, 15, 15, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  font-family: "Instrument Serif", serif;
  font-size: 1.6rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo span {
  color: var(--accent);
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-links a:hover {
  color: var(--accent);
}
.nav-links a:hover::after {
  width: 100%;
}
.nav-cta {
  background: var(--accent);
  color: var(--bg-primary);
  padding: 10px 24px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  transition: var(--transition);
  border: 2px solid var(--accent);
}
.nav-cta:hover {
  background: transparent;
  color: var(--accent);
}

/* HAMBURGER */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* CONTAINER */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* SECTION */
.section {
  padding: 120px 0;
  position: relative;
}
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::before {
  content: "";
  width: 32px;
  height: 1.5px;
  background: var(--accent);
}
.section-title {
  font-family: "Instrument Serif", serif;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}
.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(212, 162, 78, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
}
.hero-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-label::before {
  content: "";
  width: 40px;
  height: 1.5px;
  background: var(--accent);
}
.hero h1 {
  font-family: "Instrument Serif", serif;
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
  max-width: 700px;
}
.hero h1 .accent {
  color: var(--accent);
}
.hero h1 em {
  font-style: italic;
  color: var(--accent-light);
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

/* BUTTONS */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--bg-primary);
  padding: 16px 36px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid var(--accent);
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary:hover {
  background: transparent;
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 162, 78, 0.2);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--text-primary);
  padding: 16px 36px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  border: 1.5px solid var(--border-light);
  transition: var(--transition);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.hero-badges {
  margin-top: 64px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero-badge {
  padding: 10px 20px;
  border-radius: 50px;
  background: rgba(212, 162, 78, 0.08);
  border: 1px solid rgba(212, 162, 78, 0.2);
  font-size: 0.88rem;
  color: var(--accent-light);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-badge i {
  font-size: 0.75rem;
}
.hero-badge:hover {
  background: rgba(212, 162, 78, 0.15);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* PROBLEM SECTION */
.problem-section {
  background: var(--bg-secondary);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.problem-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.problem-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.problem-card:hover::before {
  transform: scaleX(1);
}
.problem-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(212, 162, 78, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.2rem;
  color: var(--accent);
}
.problem-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.problem-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.solution-intro {
  margin-top: 48px;
  padding: 32px;
  border-left: 3px solid var(--accent);
  background: rgba(212, 162, 78, 0.04);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.solution-intro p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}
.solution-intro strong {
  color: var(--text-primary);
}

/* SERVICES */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}
.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.service-number {
  font-family: "Instrument Serif", serif;
  font-size: 3rem;
  color: rgba(212, 162, 78, 0.15);
  line-height: 1;
  margin-bottom: 20px;
}
.service-card h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.service-card > p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.7;
  flex-grow: 1;
}
.service-features {
  list-style: none;
  margin-bottom: 28px;
}
.service-features li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.service-features li:last-child {
  border-bottom: none;
}
.service-features li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--accent);
  font-size: 0.7rem;
}
.service-cta {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap var(--transition);
  margin-top: auto;
}
.service-cta:hover {
  gap: 14px;
}

/* CASE STUDIES */
.case-study {
  margin-top: 64px;
}
.case-study + .case-study {
  margin-top: 80px;
}
.case-study-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.case-study:nth-child(even) .case-study-inner {
  direction: rtl;
}
.case-study:nth-child(even) .case-study-inner > * {
  direction: ltr;
}
.case-study-image {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
  box-shadow: var(--shadow);
}
.case-study-image img {
  width: 100%;
  display: block;
  transition: transform 0.6s ease;
}
.case-study-image:hover img {
  transform: scale(1.03);
}
.case-study-content .section-label {
  margin-bottom: 12px;
}
.case-study-content h3 {
  font-family: "Instrument Serif", serif;
  font-size: 1.8rem;
  margin-bottom: 16px;
}
.case-study-content > p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 24px;
}
.case-study-metrics {
  display: flex;
  gap: 32px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.metric h4 {
  font-family: "Instrument Serif", serif;
  font-size: 1.6rem;
  color: var(--accent);
}
.metric p {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}
.case-study-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.tag {
  font-size: 0.72rem;
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ABOUT */
.about-section {
  background: var(--bg-secondary);
}
.about-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.badge {
  padding: 8px 16px;
  border-radius: 50px;
  background: rgba(212, 162, 78, 0.08);
  border: 1px solid rgba(212, 162, 78, 0.2);
  font-size: 0.8rem;
  color: var(--accent-light);
  font-weight: 500;
}
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-story h3 {
  font-family: "Instrument Serif", serif;
  font-size: 1.8rem;
  margin-bottom: 20px;
}
.about-story > p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 16px;
}
.about-advantages-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.adv-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
}
.adv-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.adv-card-icon {
  font-size: 1.3rem;
  display: block;
  margin-bottom: 14px;
  color: var(--accent);
}
.adv-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.adv-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* CTA / CONTACT */
.contact-section {
  background: linear-gradient(
    180deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
}
.contact-body {
  margin-top: 48px;
}
.contact-intro {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 720px;
  margin-bottom: 48px;
}
.contact-cards-grid {
  display: grid;
  gap: 20px;
}
.contact-cards-primary {
  grid-template-columns: repeat(3, 1fr);
}
.contact-cards-secondary {
  grid-template-columns: repeat(2, 1fr);
  max-width: 500px;
  margin: 20px auto 0;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-decoration: none;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.contact-card-whatsapp {
  border-color: rgba(37, 211, 102, 0.3);
  background: rgba(37, 211, 102, 0.05);
}
.contact-card-whatsapp:hover {
  border-color: #25d366;
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.15);
}
.contact-card-small {
  padding: 20px 16px;
  opacity: 0.7;
  transition: var(--transition);
}
.contact-card-small:hover {
  opacity: 1;
}
.contact-card-small .contact-card-icon {
  font-size: 1.4rem;
}
.contact-card-small .contact-card-value {
  font-size: 0.8rem;
}
.contact-card-icon {
  font-size: 1.8rem;
  margin-bottom: 4px;
  color: var(--accent);
}
.contact-card-whatsapp .contact-card-icon {
  color: #25d366;
}
.contact-card-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}
.contact-card-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
  word-break: break-all;
}

/* DEMO WEBSITES */
.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.demo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.demo-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.demo-card-image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-secondary);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.demo-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.demo-card:hover .demo-card-image img {
  transform: scale(1.05);
}
/* Placeholder style when image fails to load */
.demo-card-image img[src=""],
.demo-card-image img:not([src]) {
  display: none;
}
.demo-card-image::after {
  content: "";
  position: absolute;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  pointer-events: none;
}
.demo-card-image:has(img[complete]) img + ::after {
  display: none;
}
.demo-card-body {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.demo-card-body h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.demo-card-body > p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  flex-grow: 1;
}
.demo-card-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap var(--transition);
  margin-top: auto;
}
.demo-card-link:hover {
  gap: 14px;
}

/* FAQ */
.faq-section {
  background: var(--bg-primary);
}
.faq-list {
  max-width: 800px;
  margin-top: 48px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
  background: var(--bg-card);
}
.faq-item:hover {
  border-color: var(--border-light);
}
.faq-item.active {
  border-color: var(--accent);
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: "DM Sans", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--transition);
  text-align: left;
  gap: 16px;
}
.faq-question:hover {
  color: var(--accent);
}
.faq-icon {
  font-size: 0.85rem;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.4s ease,
    padding 0.4s ease;
  padding: 0 24px;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}
.faq-answer p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* FOOTER */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer p {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer a {
  color: var(--accent);
  text-decoration: none;
}

/* DIVIDER */
.section-divider {
  width: 60px;
  height: 1.5px;
  background: var(--accent);
  margin: 0 auto 48px;
}

/* SCROLL ANIMATIONS */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 {
  transition-delay: 0.1s;
}
.reveal-delay-2 {
  transition-delay: 0.2s;
}
.reveal-delay-3 {
  transition-delay: 0.3s;
}

/* RESPONSIVE */
@media (max-width: 968px) {
  .problem-grid,
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
  .demo-grid {
    grid-template-columns: 1fr 1fr;
  }
  .case-study-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .case-study:nth-child(even) .case-study-inner {
    direction: ltr;
  }
  .about-split {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact-cards-primary {
    grid-template-columns: 1fr 1fr;
  }
  .contact-cards-secondary {
    max-width: 100%;
  }
  .hero-badges {
    gap: 12px;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(15, 15, 15, 0.97);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
  }
  .nav-links.active {
    display: flex;
  }
  .nav-cta-desktop {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .problem-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }
  .demo-grid {
    grid-template-columns: 1fr;
  }
  .about-advantages-grid {
    grid-template-columns: 1fr;
  }
  .contact-cards-primary {
    grid-template-columns: 1fr;
  }
  .contact-cards-secondary {
    grid-template-columns: 1fr;
    max-width: 100%;
  }
  .hero-badges {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .case-study-metrics {
    flex-wrap: wrap;
    gap: 20px;
  }
  .section {
    padding: 80px 0;
  }
  .container {
    padding: 0 20px;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: flex-start;
  }
}