/* ============================================
   UUBA Tech — Styles
   ============================================ */

/* --- Font Faces --- */
@font-face {
  font-family: 'Morganite';
  src: url('../fonts/Morganite-Light.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Morganite';
  src: url('../fonts/Morganite-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Morganite';
  src: url('../fonts/Morganite-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Morganite';
  src: url('../fonts/Morganite-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Source Serif Pro';
  src: url('../fonts/SourceSerifPro-Light.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Source Serif Pro';
  src: url('../fonts/SourceSerifPro-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Source Serif Pro';
  src: url('../fonts/SourceSerifPro-Italic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Source Serif Pro';
  src: url('../fonts/SourceSerifPro-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* --- Design Tokens --- */
:root {
  --color-light: #F4F4F4;
  --color-dark: #1C1414;
  --color-red: #BA3017;
  --color-gold: #A5852B;
  --color-navy: #2E2344;
  --color-gray: #888;
  --color-light-border: #e0e0e0;

  --font-display: 'Morganite', Impact, 'Arial Narrow', sans-serif;
  --font-body: 'Source Serif Pro', Georgia, 'Times New Roman', serif;

  --max-width: 1200px;
  --section-padding: 120px 0;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-dark);
  background: var(--color-light);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  max-width: 100%;
  height: auto;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(4rem, 12vw, 10rem); }
h2 { font-size: clamp(3rem, 8vw, 7rem); }
h3 { font-size: clamp(2rem, 4vw, 3.5rem); }
h4 { font-size: clamp(1.5rem, 3vw, 2.5rem); }

.subtitle {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.5;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}

section {
  position: relative;
  overflow: hidden;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav.scrolled {
  background: rgba(28, 20, 20, 0.95);
  backdrop-filter: blur(20px);
  padding: 1rem 0;
  box-shadow: 0 2px 40px rgba(0, 0, 0, 0.3);
}

.nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo svg {
  height: 36px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-light);
  opacity: 0.7;
  transition: opacity 0.3s;
  letter-spacing: 0.05em;
}

.nav-links a:hover {
  opacity: 1;
}

.nav-cta {
  font-family: var(--font-display) !important;
  font-size: 1.1rem !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.1em !important;
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--color-red);
  color: var(--color-red) !important;
  opacity: 1 !important;
  transition: all 0.3s !important;
}

.nav-cta:hover {
  background: var(--color-red);
  color: var(--color-light) !important;
}

/* --- Mobile Nav Toggle --- */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-light);
  transition: all 0.3s;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(28, 20, 20, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 100;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
    opacity: 1;
  }

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

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-dark);
  color: var(--color-light);
  padding: var(--section-padding);
  position: relative;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0.06;
}

.hero-bg .chevron {
  position: absolute;
  width: 300px;
  height: auto;
  opacity: 0.5;
}

.hero-bg .chevron-1 {
  top: 10%;
  right: -5%;
  transform: rotate(15deg);
}

.hero-bg .chevron-2 {
  bottom: 15%;
  left: -3%;
  transform: rotate(-20deg) scale(0.7);
}

.hero-bg .crescente {
  position: absolute;
  width: 200px;
  height: auto;
  opacity: 0.3;
}

.hero-bg .crescente-1 {
  top: 60%;
  right: 10%;
  transform: rotate(30deg);
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto 2rem;
}

.hero-logo svg {
  width: 100%;
  height: 100%;
}

.hero h1 {
  margin-bottom: 1.5rem;
  line-height: 0.85;
}

.hero h1 span {
  display: block;
}

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

.hero .subtitle {
  max-width: 500px;
  margin: 0 auto 3rem;
  opacity: 0.7;
}

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 1rem 3rem;
  border: 2px solid var(--color-red);
  color: var(--color-light);
  background: var(--color-red);
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.btn:hover {
  background: transparent;
  color: var(--color-red);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(186, 48, 23, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-light);
  border-color: var(--color-light);
}

.btn-outline:hover {
  background: var(--color-light);
  color: var(--color-dark);
  border-color: var(--color-light);
}

/* --- How We Work Section --- */
.how-we-work {
  padding: var(--section-padding);
  background: var(--color-navy);
  color: var(--color-light);
}

.hww-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.hww-step {
  padding: 2.5rem 2rem;
  border: 1px solid rgba(244, 244, 244, 0.08);
  border-radius: 2px;
  position: relative;
}

.hww-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.hww-step h3 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1;
}

.hww-step p {
  font-size: 0.95rem;
  opacity: 0.75;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .hww-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hww-step {
    padding: 2rem 1.5rem;
  }
}

/* --- Products Section --- */
.products {
  padding: var(--section-padding);
  background: var(--color-light);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header .label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-red);
  margin-bottom: 1rem;
  display: block;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header .subtitle {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-gray);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.product-card {
  background: #fff;
  border-radius: 2px;
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid var(--color-light-border);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  transition: height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  border-color: transparent;
}

.product-card:hover::before {
  height: 6px;
}

.product-card.card-red::before { background: var(--color-red); }
.product-card.card-gold::before { background: var(--color-gold); }
.product-card.card-navy::before { background: var(--color-navy); }
.product-card.card-dark::before { background: var(--color-dark); }

.product-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-icon svg {
  width: 100%;
  height: 100%;
}

.product-card h3 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1;
}

.product-card .product-desc {
  font-size: 0.95rem;
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.product-card .product-features {
  list-style: none;
  font-size: 0.85rem;
}

.product-card .product-features li {
  padding: 0.35rem 0;
  border-top: 1px solid var(--color-light-border);
  color: var(--color-dark);
}

.product-card .product-features li::before {
  content: '→ ';
  color: var(--color-red);
  font-weight: 700;
}

/* --- Showcase Section (UUBA Tech SO) --- */
.showcase {
  padding: var(--section-padding);
  background: var(--color-navy);
  color: var(--color-light);
  position: relative;
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.showcase-content .label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  margin-bottom: 1rem;
  display: block;
}

.showcase-content h2 {
  margin-bottom: 1.5rem;
}

.showcase-content .subtitle {
  opacity: 0.8;
  margin-bottom: 2rem;
}

.showcase-mockup {
  position: relative;
}

.mockup-window {
  background: #1a1a2e;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.mockup-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.mockup-dot:nth-child(1) { background: #ff5f57; }
.mockup-dot:nth-child(2) { background: #febc2e; }
.mockup-dot:nth-child(3) { background: #28c840; }

.mockup-titlebar-text {
  flex: 1;
  text-align: center;
  font-size: 0.7rem;
  opacity: 0.4;
  font-family: monospace;
}

.mockup-body {
  padding: 1.5rem;
  min-height: 300px;
}

.mockup-sidebar {
  display: flex;
  gap: 1.5rem;
}

.mockup-side {
  width: 180px;
  flex-shrink: 0;
}

.mockup-side-item {
  padding: 0.6rem 0.8rem;
  margin-bottom: 0.25rem;
  border-radius: 4px;
  font-size: 0.7rem;
  opacity: 0.5;
  font-family: var(--font-body);
}

.mockup-side-item.active {
  background: rgba(165, 133, 43, 0.2);
  opacity: 1;
  color: var(--color-gold);
}

.mockup-main {
  flex: 1;
}

.mockup-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.mockup-header-row .mockup-title {
  font-size: 1.2rem;
  font-family: var(--font-display);
  text-transform: uppercase;
}

.mockup-badge {
  font-size: 0.6rem;
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}

.mockup-badge.green { background: rgba(40, 200, 64, 0.15); color: #28c840; }

.mockup-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.mockup-stat {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
  padding: 0.75rem;
}

.mockup-stat-label {
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.5;
  margin-bottom: 0.25rem;
}

.mockup-stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.mockup-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
  margin-bottom: 0.5rem;
}

.mockup-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.mockup-client-badge {
  text-align: center;
  padding: 1rem;
  margin-top: 1rem;
  border: 1px dashed rgba(165, 133, 43, 0.3);
  border-radius: 4px;
  font-size: 0.65rem;
  color: var(--color-gold);
  opacity: 0.6;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* --- Differentials Section --- */
.differentials {
  padding: var(--section-padding);
  background: var(--color-light);
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 3rem;
  text-align: center;
}

.diff-item {
  padding: 2rem 1rem;
}

.diff-number {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--color-red);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.diff-number .suffix {
  font-size: 0.5em;
}

.diff-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.diff-desc {
  font-size: 0.9rem;
  color: var(--color-gray);
}

/* --- CTA Section --- */
.cta {
  padding: 160px 0;
  background: var(--color-dark);
  color: var(--color-light);
  text-align: center;
  position: relative;
}

.cta-bg-element {
  position: absolute;
  opacity: 0.03;
}

.cta h2 {
  margin-bottom: 1rem;
}

.cta .subtitle {
  max-width: 500px;
  margin: 0 auto 3rem;
  opacity: 0.6;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  background: var(--color-dark);
  color: var(--color-light);
  border-top: 1px solid rgba(244, 244, 244, 0.08);
  padding: 3rem 0;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-brand svg {
  height: 28px;
  width: auto;
}

.footer-tagline {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-style: italic;
  opacity: 0.5;
}

.footer-copy {
  font-size: 0.75rem;
  opacity: 0.3;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.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; }
.reveal-delay-4 { transition-delay: 0.4s; }

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* --- Parallax --- */
.parallax-element {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* --- Divider --- */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  overflow: visible;
}

.section-divider svg {
  width: 40px;
  height: auto;
  opacity: 0.15;
}

/* --- Responsive --- */

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

  .showcase-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .showcase-mockup {
    order: -1;
  }

  .mockup-side {
    width: 140px;
  }
}

/* Tablet portrait */
@media (max-width: 768px) {
  :root {
    --section-padding: 80px 0;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: 90vh;
    padding: 100px 0 60px;
  }

  .hero h1 {
    font-size: clamp(3rem, 10vw, 5.5rem);
  }

  .hero .subtitle {
    max-width: 90%;
    font-size: 1rem;
  }

  .hero-logo {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
  }

  .btn {
    font-size: 1.1rem;
    padding: 0.85rem 2rem;
    width: 100%;
    text-align: center;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }

  .section-header h2 {
    font-size: clamp(2.5rem, 7vw, 4rem);
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .product-card {
    padding: 2rem 1.5rem;
  }

  .product-card:hover {
    transform: none;
  }

  .showcase-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .showcase-content h2 {
    font-size: clamp(2.5rem, 7vw, 4rem);
  }

  .mockup-sidebar {
    flex-direction: column;
  }

  .mockup-side {
    width: 100%;
    display: flex;
    gap: 0.25rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }

  .mockup-side-item {
    white-space: nowrap;
    font-size: 0.6rem;
  }

  .mockup-body {
    padding: 1rem;
    min-height: 200px;
  }

  .mockup-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
  }

  .mockup-stat {
    padding: 0.5rem;
  }

  .mockup-stat-value {
    font-size: 1.1rem;
  }

  .mockup-stat-label {
    font-size: 0.45rem;
  }

  .diff-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .diff-item {
    padding: 1.5rem 0.5rem;
  }

  .diff-title {
    font-size: 1.2rem;
  }

  .diff-desc {
    font-size: 0.8rem;
  }

  .cta {
    padding: 100px 0;
  }

  .cta h2 {
    font-size: clamp(2.5rem, 7vw, 4rem);
  }

  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .cta .subtitle {
    max-width: 90%;
  }

  .footer .container {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }

  .footer-brand {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* Mobile */
@media (max-width: 480px) {
  :root {
    --section-padding: 60px 0;
  }

  .hero {
    min-height: 100svh;
    padding: 80px 0 40px;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .hero .subtitle {
    font-size: 0.9rem;
    max-width: 100%;
  }

  h2 {
    font-size: clamp(2rem, 8vw, 3.5rem);
  }

  .product-card h3 {
    font-size: 1.6rem;
  }

  .product-card .product-desc {
    font-size: 0.85rem;
  }

  .product-card .product-features {
    font-size: 0.8rem;
  }

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

  .diff-number {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
  }

  .mockup-stats {
    grid-template-columns: 1fr;
  }

  .mockup-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .mockup-client-badge {
    font-size: 0.55rem;
    padding: 0.75rem;
  }

  .cta {
    padding: 80px 0;
  }

  .btn {
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
  }
}

/* Touch device optimizations */
@media (hover: none) {
  .product-card:hover {
    transform: none;
    box-shadow: none;
  }

  .feature-detail:hover {
    transform: none;
  }

  .product-icon-large:hover {
    transform: none;
  }

  .btn:hover {
    transform: none;
  }
}