/* Raamtechlink — Professional Light Theme */

:root {
  --white: #ffffff;
  --surface: #f7f8fa;
  --surface-elevated: #ffffff;
  --border: #e4e7ec;
  --border-strong: #d0d5dd;
  --text-primary: #101828;
  --text-secondary: #475467;
  --text-muted: #667085;
  --gold: #b8943f;
  --gold-dark: #96762f;
  --gold-subtle: #f9f5eb;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 4px 16px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.1);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
  --radius: 8px;
  --radius-lg: 12px;
  --container: 1140px;
}

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

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

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 12px;
}

.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--surface);
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 16px;
}

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

.section__desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: var(--font);
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

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

.btn--primary:hover {
  background: #1f2937;
  border-color: #1f2937;
}

.btn--secondary {
  background: var(--white);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn--secondary:hover {
  background: var(--surface);
  border-color: var(--text-muted);
}

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

.btn--success {
  background: #067647;
  border-color: #067647;
  color: var(--white);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.header--scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.nav__logo-text {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: var(--transition);
}

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

.nav__link--cta {
  margin-left: 8px;
  color: var(--white);
  background: var(--text-primary);
}

.nav__link--cta:hover {
  background: #1f2937;
  color: var(--white);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* Hero */
.hero {
  padding: 140px 0 80px;
  background: var(--white);
}

.hero__layout {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 64px;
  align-items: center;
}

.hero__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero__subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero__media {
  position: relative;
}

.hero__image {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}

/* Metrics */
.metrics {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 40px 0;
}

.metrics__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.metric {
  text-align: center;
  padding: 0 16px;
  border-right: 1px solid var(--border);
}

.metric:last-child {
  border-right: none;
}

.metric__value {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.metric__label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* About */
.about__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.metric--link {
  transition: var(--transition);
  cursor: pointer;
}

.metric--link:hover {
  background: var(--white);
  border-radius: var(--radius);
}

.metric--link:hover .metric__value {
  color: var(--gold-dark);
}

.about__gallery {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
  align-items: stretch;
}

.about__image {
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.about__image--primary {
  height: 320px;
}

.about__image--secondary {
  height: 320px;
}

.contact__detail a {
  color: var(--text-secondary);
  transition: var(--transition);
}

.contact__detail a:hover {
  color: var(--text-primary);
}

.about__list {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about__list li {
  padding-left: 16px;
  border-left: 3px solid var(--gold);
}

.about__list strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.about__list span {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Solutions */
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.solution-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.solution-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.solution-card__media {
  height: 200px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.solution-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.solution-card:hover .solution-card__media img {
  transform: scale(1.03);
}

.solution-card__body {
  padding: 28px;
}

.solution-card__body h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.solution-card__body > p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.solution-card__body ul li {
  position: relative;
  padding-left: 14px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.solution-card__body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
}

/* Sattamai */
.sattamai__layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 72px;
  align-items: center;
}

.sattamai__brand {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 16px;
  color: inherit;
  transition: var(--transition);
}

.sattamai__brand:hover {
  opacity: 0.85;
}

.sattamai__logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
}

.sattamai__lead {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gold-dark);
  margin-bottom: 20px;
}

.sattamai__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 36px 0;
}

.feature-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feature-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-subtle);
  border: 1px solid #ead9b8;
  border-radius: var(--radius);
  color: var(--gold-dark);
}

.feature-item__icon svg {
  width: 20px;
  height: 20px;
}

.feature-item h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.feature-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.sattamai__image {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

/* Contact */
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 72px;
  align-items: start;
}

.contact__details {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.contact__detail svg {
  width: 18px;
  height: 18px;
  color: var(--gold-dark);
  flex-shrink: 0;
}

.contact__form {
  padding: 36px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form__group {
  margin-bottom: 20px;
}

.form__group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  padding: 11px 14px;
  font-size: 0.9375rem;
  font-family: var(--font);
  color: var(--text-primary);
  background: var(--white);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  transition: var(--transition);
  outline: none;
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 3px rgba(16, 24, 40, 0.08);
}

.form__group input::placeholder,
.form__group textarea::placeholder {
  color: var(--text-muted);
}

.form__group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23667085' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

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

/* Footer */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--white);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer__logo {
  width: 32px;
  height: 32px;
}

.footer__name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
}

.footer__tagline {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer__links {
  display: flex;
  gap: 28px;
}

.footer__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer__links a:hover {
  color: var(--text-primary);
}

.footer__copy {
  width: 100%;
  padding-top: 24px;
  margin-top: 8px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .hero__layout,
  .about__layout,
  .sattamai__layout,
  .contact__layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero__media {
    order: -1;
  }

  .hero__image {
    height: 360px;
  }

  .solutions__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .metrics__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .metric {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 24px;
  }

  .metric:nth-child(3),
  .metric:nth-child(4) {
    border-bottom: none;
    padding-bottom: 0;
  }

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

  .about__image--primary,
  .about__image--secondary {
    height: 260px;
  }

  .sattamai__image {
    height: 400px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--white);
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .nav__menu--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav__link {
    display: block;
    padding: 12px 0;
  }

  .nav__link--cta {
    margin-left: 0;
    margin-top: 8px;
    text-align: center;
    padding: 12px;
  }

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

  .metric {
    border-bottom: 1px solid var(--border);
    padding-bottom: 20px;
  }

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

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

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

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__brand {
    flex-direction: column;
  }
}