/* =============================================================
   ARTOVA — index.css
   Loaded by: index.html only
   Contains:  Hero · Trust Bar · Product Cards · Schools Strip
              Partner Section · Contact Strip
   ============================================================= */

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  background: var(--black2);
  min-height: calc(100vh - 96px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: clamp(60px, 10vw, 110px) var(--pad);
  gap: 48px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 55% 80% at 80% 50%, rgba(201,147,58,0.09) 0%, transparent 60%),
    radial-gradient(ellipse 35% 50% at 10% 20%, rgba(201,147,58,0.05) 0%, transparent 55%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}
.hero-eyebrow-line { width: 32px; height: 1px; background: var(--gold); }
.hero-eyebrow-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: uppercase;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(38px, 5.5vw, 68px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}
.hero h1 em { font-style: italic; color: var(--gold); }
.hero-sub {
  font-size: clamp(15px, 1.8vw, 18px);
  color: rgba(255,255,255,0.62);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 14px;
}
.hero-support {
  font-size: 13px;
  color: rgba(255,255,255,0.38);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  margin-bottom: 36px;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-proof {
  display: flex;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
}
.hero-proof-item {
  flex: 1;
  padding-right: 24px;
  border-right: 1px solid rgba(255,255,255,0.08);
}
.hero-proof-item:last-child  { border-right: none; padding-right: 0; padding-left: 24px; }
.hero-proof-item:not(:first-child) { padding-left: 24px; }
.hero-proof-num {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  display: block;
  margin-bottom: 4px;
}
.hero-proof-label { font-size: 11.5px; color: rgba(255,255,255,0.45); line-height: 1.4; }

.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,147,58,0.2);
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  position: relative;
}
.hero-visual-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(201,147,58,0.08) 0%, transparent 65%);
  border-radius: 16px;
}
.hero-duo-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}
.hero-img-placeholder {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px dashed rgba(201,147,58,0.3);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.hero-img-placeholder-label {
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  font-family: var(--font-mono);
  text-align: center;
  line-height: 1.5;
}

/* ── Trust Bar ───────────────────────────────────────────────── */
.trust {
  background: var(--white);
  border-bottom: 1px solid var(--lgrey);
  padding: 0 var(--pad);
}
.trust-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px 20px;
  border-right: 1px solid var(--lgrey);
}
.trust-item:last-child { border-right: none; }
.trust-icon {
  width: 40px; height: 40px;
  flex-shrink: 0;
  background: rgba(201,147,58,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.trust-text-title { font-size: 13px; font-weight: 600; color: var(--black); line-height: 1.3; }
.trust-text-sub   { font-size: 11.5px; color: var(--muted); margin-top: 2px; line-height: 1.4; }

/* ── Product Cards (Homepage) ────────────────────────────────── */
.products-section { padding: var(--section-gap) var(--pad); background: var(--offwhite); }
.products-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}
.products-header .section-label { justify-content: center; }
.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: var(--max);
  margin: 0 auto;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--lgrey);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow 0.3s, transform 0.3s;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.product-card-visual {
  background: var(--black2);
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-card-visual::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 70% at 50% 50%, rgba(201,147,58,0.1) 0%, transparent 65%);
}
.product-card-badge {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--gold);
  color: var(--black);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
}
.card-illustration { position: relative; z-index: 1; }
.card-img-note {
  position: absolute;
  bottom: 14px; left: 14px; right: 14px;
  background: rgba(0,0,0,0.6);
  border: 1px dashed rgba(201,147,58,0.3);
  border-radius: 6px;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: rgba(255,255,255,0.45);
  text-align: center;
  line-height: 1.4;
}
.product-card-body { padding: 28px; }
.product-card-series {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}
.product-card-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--black);
  line-height: 1.2;
  margin-bottom: 10px;
}
.product-card-desc {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 18px;
}
.product-card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--lgrey);
}
.product-card-feature {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--slate);
  line-height: 1.5;
}
.product-card-feature-dot {
  width: 14px; height: 14px;
  background: rgba(201,147,58,0.12);
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.product-card-feature-dot::after {
  content: '';
  width: 5px; height: 5px;
  background: var(--gold);
  border-radius: 50%;
}

/* ── For Schools Strip ───────────────────────────────────────── */
.schools-strip {
  background: var(--black);
  padding: clamp(56px, 9vw, 100px) var(--pad);
  position: relative;
  overflow: hidden;
}
.schools-strip::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 90% 50%, rgba(201,147,58,0.07) 0%, transparent 55%),
    radial-gradient(ellipse 30% 40% at 5% 80%, rgba(46,125,79,0.06) 0%, transparent 50%);
  pointer-events: none;
}
.schools-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
}
.schools-h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.schools-body {
  font-size: 15px;
  color: rgba(255,255,255,0.58);
  line-height: 1.75;
  margin-bottom: 28px;
  max-width: 460px;
}
.schools-benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}
.schools-benefit {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}
.schools-benefit-icon {
  width: 18px; height: 18px;
  flex-shrink: 0;
  background: rgba(201,147,58,0.15);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.schools-benefit-icon::after {
  content: '';
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
}
.schools-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.schools-stat {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,147,58,0.18);
  border-radius: 10px;
  padding: 24px 20px;
  transition: border-color 0.2s;
}
.schools-stat:hover { border-color: rgba(201,147,58,0.4); }
.schools-stat-num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  display: block;
  margin-bottom: 6px;
}
.schools-stat-label { font-size: 12.5px; color: rgba(255,255,255,0.5); line-height: 1.45; }
.schools-stat-wide {
  grid-column: 1 / -1;
  background: rgba(201,147,58,0.08);
  border: 1px solid rgba(201,147,58,0.25);
}

/* ── Partner Section ─────────────────────────────────────────── */
.partner-section {
  background: var(--cream);
  padding: clamp(56px, 9vw, 100px) var(--pad);
}
.partner-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
.partner-h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 700;
  color: var(--black);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.partner-body {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 28px;
  max-width: 460px;
}
.partner-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.partner-point {
  background: var(--white);
  border: 1px solid var(--lgrey);
  border-radius: 8px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.partner-point-icon {
  width: 28px; height: 28px;
  background: rgba(201,147,58,0.12);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}
.partner-point-title { font-size: 13px; font-weight: 600; color: var(--black); }
.partner-point-text  { font-size: 12px; color: var(--muted); line-height: 1.5; }

/* ── Contact CTA Strip ───────────────────────────────────────── */
.contact-strip {
  background: var(--black2);
  padding: clamp(56px, 8vw, 90px) var(--pad);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact-strip::before {
  content: 'ARTOVA';
  position: absolute;
  font-family: var(--font-serif);
  font-size: clamp(80px, 18vw, 200px);
  font-weight: 700;
  color: rgba(255,255,255,0.02);
  letter-spacing: -0.04em;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  white-space: nowrap;
}
.contact-strip h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  position: relative;
}
.contact-strip p {
  font-size: 15px;
  color: rgba(255,255,255,0.5);
  max-width: 480px;
  margin: 0 auto 36px;
  line-height: 1.7;
  position: relative;
}
.contact-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  position: relative;
}

/* ── Homepage Responsive ─────────────────────────────────────── */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-visual { display: none; }
  .schools-inner  { grid-template-columns: 1fr; gap: 40px; }
  .partner-inner  { grid-template-columns: 1fr; gap: 40px; }
  .trust-inner    { grid-template-columns: 1fr 1fr; }
  .trust-item:nth-child(2) { border-right: none; }
  .trust-item:nth-child(3) { border-top: 1px solid var(--lgrey); }
  .trust-item:nth-child(4) { border-top: 1px solid var(--lgrey); border-right: none; }
}
@media (max-width: 720px) {
  .products-grid  { grid-template-columns: 1fr; }
  .schools-stats  { grid-template-columns: 1fr 1fr; }
  .partner-grid   { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .hero-proof     { flex-direction: column; gap: 16px; }
  .hero-proof-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); padding: 0 0 16px 0; }
  .hero-proof-item:last-child { border-bottom: none; padding-bottom: 0; }
  .trust-inner    { grid-template-columns: 1fr; }
  .trust-item     { border-right: none; border-bottom: 1px solid var(--lgrey); }
  .trust-item:last-child { border-bottom: none; }
  .partner-grid   { grid-template-columns: 1fr; }
  .contact-buttons { flex-direction: column; align-items: stretch; }
  .contact-buttons .btn-primary,
  .contact-buttons .btn-wa { justify-content: center; }
}
