/* ================================
   RUKIM TEKSTIL — Design System
   ================================ */

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

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

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

body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  color: var(--text-primary);
  background-color: var(--bg-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- CSS Variables ---- */
:root {
  /* Brand Colors */
  --rukim-red: #D32F2F;
  --rukim-red-dark: #B71C1C;
  --rukim-red-light: #EF5350;

  /* Neutrals */
  --black: #0A0A0A;
  --text-primary: #1A1A1A;
  --text-secondary: #555555;
  --text-light: #888888;
  --border-color: #E0E0E0;
  --bg-light: #F7F7F7;
  --bg-white: #FFFFFF;
  --bg-cream: #FAFAF8;
  --bg-dark: #111111;
  --bg-dark-secondary: #1A1A1A;

  /* Typography Scale */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;

  --fs-display: clamp(3rem, 6vw, 5.5rem);
  --fs-h1: clamp(2.2rem, 4vw, 3.5rem);
  --fs-h2: clamp(1.8rem, 3vw, 2.8rem);
  --fs-h3: clamp(1.3rem, 2vw, 1.8rem);
  --fs-h4: clamp(1.1rem, 1.5vw, 1.4rem);
  --fs-body: 1rem;
  --fs-body-lg: 1.125rem;
  --fs-small: 0.875rem;
  --fs-caption: 0.75rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;
  --space-section: clamp(5rem, 10vw, 10rem);

  /* Layout */
  --max-width: 1320px;
  --header-height: 90px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.16);
}

/* ---- Typography ---- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--fs-h1);
}

h2 {
  font-size: var(--fs-h2);
}

h3 {
  font-size: var(--fs-h3);
}

h4 {
  font-size: var(--fs-h4);
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

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

ul,
ol {
  list-style: none;
}

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

/* ---- Utility Classes ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}

.section {
  padding: var(--space-section) 0;
}

.section-dark {
  background-color: var(--bg-dark);
  color: #fff;
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #fff;
}

.section-dark p {
  color: rgba(255, 255, 255, 0.7);
}

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

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

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.text-red {
  color: var(--rukim-red);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}

.gap-xl {
  gap: var(--space-xl);
}

/* ---- Section Headings ---- */
.section-header {
  margin-bottom: var(--space-xl);
}

.section-header .overline {
  font-family: var(--font-heading);
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rukim-red);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-sm);
}

.section-header .overline::before {
  content: '';
  width: 40px;
  height: 2px;
  background: var(--rukim-red);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  max-width: 640px;
  font-size: var(--fs-body-lg);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--rukim-red);
  color: #fff;
}

.btn-primary:hover {
  background: var(--rukim-red-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(211, 47, 47, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--text-primary);
}

.btn-outline:hover {
  background: var(--text-primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-white {
  background: #fff;
  color: var(--text-primary);
}

.btn-white:hover {
  background: var(--bg-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-link {
  background: none;
  padding: 0;
  color: var(--rukim-red);
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  border: none;
  transition: gap var(--transition-base);
}

.btn-link:hover {
  gap: 0.8rem;
}

.btn-link .arrow {
  transition: transform var(--transition-base);
}

.btn-link:hover .arrow {
  transform: translateX(4px);
}

/* ---- Grid System ---- */
.grid {
  display: grid;
  gap: var(--space-lg);
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ---- Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

.stagger-1 {
  transition-delay: 0.1s;
}

.stagger-2 {
  transition-delay: 0.2s;
}

.stagger-3 {
  transition-delay: 0.3s;
}

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

.stagger-5 {
  transition-delay: 0.5s;
}

/* Counter animation */
@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

/* Parallax-ready */
.parallax-bg {
  will-change: transform;
}

/* ---- Page Banner (Inner Pages) ---- */
.page-banner {
  position: relative;
  height: 45vh;
  min-height: 350px;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-xl);
  background: var(--bg-dark);
  overflow: hidden;
}

.page-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.2));
  z-index: 1;
}

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

.page-banner .container {
  position: relative;
  z-index: 2;
}

.page-banner h1 {
  color: #fff;
  font-size: var(--fs-display);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.page-banner .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--fs-small);
  margin-bottom: var(--space-sm);
}

.page-banner .breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
}

.page-banner .breadcrumb a:hover {
  color: #fff;
}

.page-banner .breadcrumb .separator {
  font-size: 0.7em;
}

/* ---- Cards ---- */
.card {
  background: #fff;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.card-image {
  aspect-ratio: 4/5;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-body {
  padding: var(--space-md);
}

.card-body h3 {
  font-size: var(--fs-h4);
  margin-bottom: var(--space-xs);
}

/* ---- Stat Counter ---- */
.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--rukim-red);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .page-banner {
    height: 35vh;
    min-height: 280px;
  }

  .section {
    padding: var(--space-xl) 0;
  }
}

@media (max-width: 480px) {
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.8rem;
  }
}