/* ============================================
   0110.build — Design System & Styles
   Apple-inspired, dark premium aesthetic
   ============================================ */

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

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-bg: #000000;
  --color-bg-elevated: #0a0a0a;
  --color-bg-card: rgba(255, 255, 255, 0.04);
  --color-bg-card-hover: rgba(255, 255, 255, 0.08);
  --color-text: #f5f5f7;
  --color-text-secondary: #a1a1a6;
  --color-text-tertiary: #6e6e73;
  --color-accent-1: #2997ff;
  --color-accent-2: #bf5af2;
  --color-accent-gradient: linear-gradient(135deg, #2997ff 0%, #bf5af2 100%);
  --color-accent-gradient-hover: linear-gradient(135deg, #40a9ff 0%, #cf7af7 100%);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.16);
  --color-success: #30d158;
  --color-warning: #ff9f0a;
  --color-danger: #ff453a;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
  --font-size-6xl: 4.5rem;
  --font-size-hero: clamp(3rem, 8vw, 7rem);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;
  --space-section: clamp(5rem, 12vh, 10rem);

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --container-padding: clamp(1.5rem, 5vw, 4rem);

  /* Effects */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s 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);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-card-hover: 0 8px 48px rgba(0, 0, 0, 0.6);
  --border-radius-sm: 12px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --border-radius-xl: 32px;
  --blur-glass: 20px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

a {
  color: var(--color-accent-1);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-2);
}

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

ul,
ol {
  list-style: none;
}

/* --- Utility Classes --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.text-gradient {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Animation Classes --- */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 {
  transition-delay: 0.1s;
}

.fade-in-delay-2 {
  transition-delay: 0.2s;
}

.fade-in-delay-3 {
  transition-delay: 0.3s;
}

.fade-in-delay-4 {
  transition-delay: 0.4s;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: saturate(180%) blur(var(--blur-glass));
  -webkit-backdrop-filter: saturate(180%) blur(var(--blur-glass));
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.nav__logo {
  font-size: var(--font-size-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.nav__logo span {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--color-accent-gradient);
  transition: width var(--transition-base);
  border-radius: 1px;
}

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

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

.nav__cta {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-bg) !important;
  background: var(--color-text);
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  transition: all var(--transition-fast);
}

.nav__cta:hover {
  background: var(--color-accent-1);
  color: white !important;
  transform: scale(1.05);
}

/* Mobile Nav Toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  position: relative;
  z-index: 1001;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
  position: absolute;
  left: 4px;
}

.nav__toggle span:nth-child(1) {
  top: 8px;
}

.nav__toggle span:nth-child(2) {
  top: 15px;
}

.nav__toggle span:nth-child(3) {
  top: 22px;
}

.nav__toggle.is-active span:nth-child(1) {
  top: 15px;
  transform: rotate(45deg);
}

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

.nav__toggle.is-active span:nth-child(3) {
  top: 15px;
  transform: rotate(-45deg);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-4xl) var(--container-padding);
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 50%, rgba(41, 151, 255, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(191, 90, 242, 0.06) 0%, transparent 50%),
    var(--color-bg);
}

/* Subtle grid overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

/* Animated gradient orbs */
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
  animation: float 10s ease-in-out infinite;
  will-change: transform;
}

.hero__orb--1 {
  width: 700px;
  height: 700px;
  background: var(--color-accent-1);
  top: -250px;
  right: -150px;
  animation-delay: 0s;
}

.hero__orb--2 {
  width: 600px;
  height: 600px;
  background: var(--color-accent-2);
  bottom: -250px;
  left: -150px;
  animation-delay: -5s;
}

.hero__orb--3 {
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, var(--color-accent-1), var(--color-accent-2));
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: floatCenter 12s ease-in-out infinite;
  opacity: 0.15;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-40px) scale(1.08);
  }
}

@keyframes floatCenter {

  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
  }

  33% {
    transform: translate(-45%, -55%) scale(1.1);
  }

  66% {
    transform: translate(-55%, -45%) scale(0.95);
  }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-accent-1);
  background: rgba(41, 151, 255, 0.1);
  border: 1px solid rgba(41, 151, 255, 0.2);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: var(--space-lg);
  animation: fadeInDown 1s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

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

.hero__title {
  font-size: var(--font-size-hero);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: var(--space-md);
  animation: fadeInUp 1s 0.2s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero__binary {
  display: block;
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-xs);
  animation: fadeInUp 1s 0.1s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }

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

.hero__subtitle {
  font-size: clamp(var(--font-size-lg), 2.5vw, var(--font-size-2xl));
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.5;
  max-width: 640px;
  margin: 0 auto var(--space-xl);
  animation: fadeInUp 1s 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: fadeInUp 1s 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  border: none;
  cursor: pointer;
  border-radius: 100px;
  padding: 0.9rem 2rem;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  color: white;
  background: var(--color-accent-gradient);
  box-shadow: 0 4px 24px rgba(41, 151, 255, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 32px rgba(41, 151, 255, 0.45);
  color: white;
}

.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent-gradient-hover);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn--primary:hover::before {
  opacity: 1;
}

.btn--primary span {
  position: relative;
  z-index: 1;
}

.btn--secondary {
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.btn--secondary:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
  color: var(--color-text);
}

.btn--large {
  font-size: var(--font-size-lg);
  padding: 1.1rem 2.5rem;
}

/* --- Section Common --- */
.section {
  padding: var(--space-section) 0;
  position: relative;
}

.section__label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-1);
  margin-bottom: var(--space-sm);
}

.section__title {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.section__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.6;
}

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

.section--center .section__subtitle {
  margin: 0 auto;
}

/* Separator */
.section__divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  border: none;
  margin: 0;
}

/* --- Value Props Grid --- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.value-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.value-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.value-card:hover::before {
  opacity: 1;
}

.value-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-gradient);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-2xl);
}

.value-card__number {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.value-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.value-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --- Promise Section --- */
.promise {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.promise__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.promise__visual {
  text-align: center;
}

.promise__amount {
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.promise__amount-label {
  font-size: var(--font-size-2xl);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

.promise__text h3 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.promise__text p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.promise__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(48, 209, 88, 0.1);
  border: 1px solid rgba(48, 209, 88, 0.2);
  color: var(--color-success);
  font-weight: 600;
  font-size: var(--font-size-sm);
  padding: 0.5rem 1rem;
  border-radius: 100px;
}

/* --- How It Works --- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  width: 75%;
  height: 2px;
  background: var(--color-border);
}

.step {
  text-align: center;
  position: relative;
}

.step__number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin: 0 auto var(--space-md);
  position: relative;
  z-index: 1;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  transition: all var(--transition-base);
}

.step:hover .step__number {
  background: var(--color-accent-gradient);
  border-color: transparent;
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(41, 151, 255, 0.3);
}

.step__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.step__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* --- What We Build --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  cursor: default;
}

.service-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.service-card__icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.service-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.service-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.testimonial {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.testimonial:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.testimonial__stars {
  color: var(--color-warning);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  letter-spacing: 2px;
}

.testimonial__text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.testimonial__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.testimonial__name {
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.testimonial__role {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* --- Tech Stack Marquee --- */
.tech-stack {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  background: var(--color-bg-elevated);
}

.tech-stack__label {
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-md);
}

.marquee {
  display: flex;
  gap: var(--space-2xl);
  animation: scroll 30s linear infinite;
}

.marquee__item {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-tertiary);
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.marquee__item:hover {
  color: var(--color-text-secondary);
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

/* --- Contact / Book a Call --- */
.contact {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact__info {
  padding-top: var(--space-md);
}

.contact__info h3 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.contact__info p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.contact__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.contact__feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.contact__feature svg,
.contact__feature-icon {
  width: 20px;
  height: 20px;
  color: var(--color-success);
  flex-shrink: 0;
}

/* Form */
.form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
}

.form__group {
  margin-bottom: var(--space-md);
}

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 0.85rem 1rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  border-color: var(--color-accent-1);
  box-shadow: 0 0 0 3px rgba(41, 151, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-tertiary);
}

.form__textarea {
  min-height: 120px;
  resize: vertical;
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236e6e73' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form__select option {
  background: var(--color-bg);
  color: var(--color-text);
}

.form__submit {
  width: 100%;
  margin-top: var(--space-xs);
}

.form__note {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--space-sm);
}

/* --- Footer --- */
.footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  line-height: 1.7;
  margin-top: var(--space-sm);
  max-width: 300px;
}

.footer__col-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer__link {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

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

.footer__social {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.footer__social:hover {
  background: var(--color-accent-gradient);
  border-color: transparent;
  color: white;
  transform: scale(1.1);
}

/* --- Responsive --- */
@media (max-width: 1024px) {

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

  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }

  .steps::before {
    display: none;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-lg);
    padding: var(--space-2xl);
    transition: right var(--transition-base);
    border-left: 1px solid var(--color-border);
  }

  .nav__links.is-open {
    right: 0;
  }

  .nav__toggle {
    display: block;
  }

  .nav__link {
    font-size: var(--font-size-xl);
  }

  .hero__title {
    font-size: clamp(2.5rem, 10vw, 4rem);
  }

  .value-grid,
  .services-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

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

  .promise__content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-text-tertiary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary);
}

/* --- Selection --- */
::selection {
  background: rgba(41, 151, 255, 0.3);
  color: var(--color-text);
}