/* ================================
   Steel&Spark Studio — Global Styles
   ================================ */

/* Local Google Fonts (TTF) */
@font-face {
  font-family: "SSDisplay";
  src: url("../fonts/MontserratAlternates-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
}

@font-face {
  font-family: "SSSans";
  src: url("../fonts/Inter-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: "SSSans";
  src: url("../fonts/Inter-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
}

/* Reset & base */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: "SSSans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f2ec;
  color: #25252a;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
}

/* Color system */

:root {
  --ss-color-shell: #f5f2ec;
  --ss-color-shell-soft: #f9f5ee;
  --ss-color-ink: #25252a;
  --ss-color-ink-soft: #4c4b55;
  --ss-color-metal: #3e434c;
  --ss-color-metal-soft: #5a626f;
  --ss-color-accent-copper: #c26a3a;
  --ss-color-accent-copper-soft: #f3c4a0;
  --ss-color-accent-mint: #49b4a6;
  --ss-color-line: rgba(45, 48, 59, 0.08);
  --ss-radius-lg: 24px;
  --ss-radius-md: 18px;
  --ss-radius-pill: 999px;
  --ss-shadow-soft: 0 18px 40px rgba(15, 18, 30, 0.16);
  --ss-shadow-subtle: 0 10px 24px rgba(10, 12, 20, 0.08);
  --ss-header-height: 80px;
}

/* Layout helpers */

.ss-container {
  width: 100%;
  max-width: 1200px;
  padding-inline: 20px;
  margin-inline: auto;
}

.ss-page {
  min-height: 100vh;
  background: radial-gradient(circle at top left, #fdf7ee 0, #f5f2ec 40%, #f0eee9 100%);
  color: var(--ss-color-ink);
}

/* Header */

.ss-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 20;
  height: var(--ss-header-height);
  display: flex;
  align-items: center;
  background: rgba(245, 242, 236, 0.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(62, 67, 76, 0.08);
}

.ss-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.ss-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.ss-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 18px;
  background: radial-gradient(circle at 20% 0, #ffd8b5 0, #c26a3a 45%, #3e434c 100%);
  color: #fdf7ef;
  font-family: "SSDisplay", system-ui, sans-serif;
  font-size: 18px;
  letter-spacing: 0.08em;
}

.ss-logo-mark--small {
  width: 32px;
  height: 32px;
  font-size: 14px;
}

.ss-logo-text {
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--ss-color-metal);
}

.ss-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.ss-nav-link {
  position: relative;
  font-size: 14px;
  padding: 8px 0;
  color: var(--ss-color-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ss-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--ss-color-accent-copper), var(--ss-color-accent-mint));
  transition: width 0.3s ease;
}

.ss-nav-link:hover::after,
.ss-nav-link--active::after {
  width: 100%;
}

.ss-nav-link--active {
  color: var(--ss-color-metal);
}

/* Burger */

.ss-burger {
  display: none;
  width: 80px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid rgba(62, 67, 76, 0.18);
  background: #fdf7ef;
  padding: 0;
  cursor: pointer;
  justify-content: center;
  align-items: center;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.ss-burger-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--ss-color-metal);
}

.ss-burger:hover {
  background: #fff8f0;
  box-shadow: var(--ss-shadow-subtle);
  transform: translateY(-1px);
}

.ss-burger[data-open="true"] {
  background: linear-gradient(135deg, var(--ss-color-accent-copper), var(--ss-color-accent-mint));
  border-color: transparent;
  box-shadow: 0 18px 36px rgba(10, 12, 22, 0.3);
}

.ss-burger[data-open="true"] .ss-burger-label {
  color: #fff7ed;
  letter-spacing: 0.26em;
}


/* Mobile menu */

.ss-mobile-menu {
  position: fixed;
  inset-inline: 0;
  top: var(--ss-header-height);
  background: rgba(245, 242, 236, 0.98);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(62, 67, 76, 0.08);
  transform: translateY(-16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 19;
}

.ss-mobile-menu[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.ss-mobile-nav {
  padding: 12px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ss-mobile-nav-link {
  padding: 10px 14px;
  border-radius: 16px;
  background: rgba(254, 248, 239, 0.8);
  border: 1px solid rgba(62, 67, 76, 0.06);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ss-color-ink-soft);
}

.ss-mobile-nav-link--active {
  background: linear-gradient(120deg, var(--ss-color-accent-copper), var(--ss-color-accent-mint));
  color: #fff8f0;
  border-color: transparent;
}

/* Main & footer */

.ss-main {
  padding-top: calc(var(--ss-header-height) + 24px);
}

.ss-footer {
  margin-top: 80px;
  background: #f0ede6;
  border-top: 1px solid rgba(62, 67, 76, 0.08);
}

.ss-footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: 28px;
  padding-block: 40px;
}

.ss-footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.ss-footer-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ss-color-ink-soft);
  margin: 0 0 10px;
}

.ss-footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.ss-footer-heading {
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ss-color-metal);
  margin: 0 0 10px;
}

.ss-footer-link {
  display: block;
  font-size: 14px;
  color: var(--ss-color-ink-soft);
  margin-bottom: 6px;
  position: relative;
}

.ss-footer-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 1px;
  background: var(--ss-color-accent-copper);
  transition: width 0.2s ease;
}

.ss-footer-link:hover::after {
  width: 100%;
}

.ss-footer-bottom {
  border-top: 1px dashed rgba(62, 67, 76, 0.2);
  padding-block: 10px;
  background: #ebe7e0;
}

.ss-footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--ss-color-ink-soft);
}

/* Buttons */

.ss-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 13px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.18s ease, border-color 0.25s ease;
}

.ss-btn--primary {
  background: linear-gradient(135deg, var(--ss-color-accent-copper), var(--ss-color-accent-mint));
  color: #fff7ed;
  box-shadow: var(--ss-shadow-soft);
}

.ss-btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 24px 50px rgba(10, 10, 20, 0.25);
}

.ss-btn--ghost {
  background: rgba(245, 242, 236, 0.85);
  color: var(--ss-color-metal);
  border-color: rgba(62, 67, 76, 0.16);
}

.ss-btn--ghost:hover {
  background: #fffaf2;
}

/* Reveal animation utility */

.ss-reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Responsive */

@media (max-width: 960px) {
  .ss-nav {
    display: none;
  }

  .ss-burger {
    display: inline-flex;
  }

  .ss-footer-inner {
    grid-template-columns: 1fr;
  }

  .ss-footer-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .ss-container {
    padding-inline: 16px;
  }

  .ss-footer-cols {
    grid-template-columns: 1fr;
  }

  .ss-footer-inner {
    padding-block: 28px;
  }

  .ss-footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  :root {
    --ss-header-height: 72px;
  }

  .ss-logo-mark {
    width: 32px;
    height: 32px;
    font-size: 15px;
  }

  .ss-logo-text {
    font-size: 11px;
  }
}