/* ============================================================
   SURYAMASLAMPU — Global Design System
   ============================================================ */

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

/* ── CSS Custom Properties ── */
:root {
  --clr-white:     #ffffff;
  --clr-beige:     #F5F0E8;
  --clr-beige-md:  #EDE6D6;
  --clr-yellow:    #F5C842;
  --clr-yellow-dk: #E8A020;
  --clr-amber:     #D4830A;
  --clr-dark:      #1A1210;
  --clr-dark-md:   #3A2F28;
  --clr-gray:      #7A7068;
  --clr-gray-lt:   #C4BBB0;

  --shadow-sm:  0 2px 8px rgba(26,18,10,.08);
  --shadow-md:  0 4px 20px rgba(26,18,10,.12);
  --shadow-lg:  0 8px 40px rgba(26,18,10,.16);
  --shadow-card: 0 2px 12px rgba(26,18,10,.09), 0 6px 24px rgba(228,160,32,.07);

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --font-main: 'Inter', system-ui, sans-serif;

  --navbar-h: 68px;
  --transition: .28s cubic-bezier(.4,0,.2,1);
}

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

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

body {
  font-family: var(--font-main);
  color: var(--clr-dark);
  background: var(--clr-white);
  line-height: 1.65;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font-main); }

/* ── Layout Helpers ── */
.container {
  width: min(1200px, 92vw);
  margin-inline: auto;
}

.section-pad {
  padding-block: 96px;
}

/* ── Section Heading ── */
.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--clr-yellow), var(--clr-yellow-dk));
  color: var(--clr-dark);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .3em 1em;
  border-radius: 99px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--clr-dark);
  margin-bottom: .8rem;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--clr-gray);
  max-width: 560px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55em;
  padding: .78em 1.6em;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: .97rem;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-yellow), var(--clr-yellow-dk));
  color: var(--clr-dark);
  box-shadow: 0 4px 18px rgba(232,160,32,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232,160,32,.45);
}

.btn-wa {
  background: #25D366;
  color: #fff;
  font-size: .9rem;
  padding: .65em 1.3em;
  border-radius: var(--radius-sm);
  box-shadow: 0 3px 14px rgba(37,211,102,.3);
}
.btn-wa:hover {
  background: #1ebe5d;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,211,102,.4);
}

.btn-outline {
  border-color: var(--clr-yellow-dk);
  color: var(--clr-yellow-dk);
  background: transparent;
}
.btn-outline:hover {
  background: var(--clr-yellow);
  color: var(--clr-dark);
  border-color: var(--clr-yellow);
}

/* ── Divider ── */
.divider {
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-yellow), var(--clr-yellow-dk));
  border-radius: 99px;
  margin-block: 1.2rem;
}

/* ── Footer ── */
footer {
  background: var(--clr-dark);
  color: rgba(255,255,255,.65);
  text-align: center;
  padding: 2.5rem 1rem;
  font-size: .9rem;
}
footer strong { color: var(--clr-yellow); }
footer a { color: var(--clr-yellow-dk); }
footer a:hover { color: var(--clr-yellow); }

/* ── Scroll-reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--clr-dark);
  color: #fff;
  padding: .9em 1.6em;
  border-radius: var(--radius-md);
  font-size: .9rem;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transform: translateY(80px);
  opacity: 0;
  transition: var(--transition);
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ── Utility ── */
.text-center  { text-align: center; }
.text-muted   { color: var(--clr-gray); }
.fw-bold      { font-weight: 700; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }

/* ── Responsive helpers ── */
@media (max-width: 768px) {
  .section-pad { padding-block: 64px; }
}
@media (max-width: 480px) {
  .section-pad { padding-block: 48px; }
}