/* ============================================================================
   Sema PTA landing — 03 — Hero section, buttons, hero visual
   ----------------------------------------------------------------------------
   To edit this section, open css/hero.css. All rules are grouped here.
   ============================================================================ */

/* ========== Hero ========== */

.hero {
    position: relative; z-index: 1;
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 40px;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 120px 40px 80px;
  }

.hero-left { position: relative; }

/* ========== Graph (right side) ========== */

.hero-right {
    position: relative;
    aspect-ratio: 1 / 1.05;
    max-height: 700px;
    border-radius: 32px;
    background:
      radial-gradient(circle at 50% 50%, rgba(255,138,76,0.08), transparent 65%),
      linear-gradient(180deg, rgba(26,21,18,0.4), rgba(14,11,8,0.6));
    border: 1px solid var(--border);
    overflow: hidden;
  }

.hero-right canvas { display: block; width: 100%; height: 100%; }

/* ============================================================================
     HERO A — pure slogan, fullscreen orange, huge vertical typography
     Reference: Awwwards fullscreen typography (Kubrick, Cafes Oquendo)
     ============================================================================ */

.heroA {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    width: 100%;
    background: #FF8A4C;
    background: radial-gradient(1400px 900px at 70% 20%, #FF9B62 0%, #FF8A4C 55%, #F26A2E 100%);
    color: #0A0705;
    overflow: hidden;
    padding: 96px 6vw 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    isolation: isolate;
  }

/* subtle grain shading, no visual noise */

.heroA::before {
    content: '';
    position: absolute; inset: 0;
    background:
      radial-gradient(1000px 600px at 15% 90%, rgba(0,0,0,0.08), transparent 60%),
      radial-gradient(800px 500px at 90% 10%, rgba(255,255,255,0.10), transparent 60%);
    pointer-events: none;
    z-index: 0;
  }

.heroA-topmeta {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-self: flex-start;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(0,0,0,0.06);
    border: 1px solid rgba(0,0,0,0.14);
    border-radius: 999px;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #0A0705;
    margin-top: 20px;
  }

.heroA-pulse {
    width: 6px; height: 6px;
    border-radius: 999px;
    background: #0A0705;
    animation: hAP 1.8s ease-in-out infinite;
  }

/* the slogan */

.heroA-slogan {
    position: relative;
    z-index: 2;
    font-family: 'Space Grotesk', ui-sans-serif, system-ui;
    font-weight: 700;
    font-size: clamp(56px, 11.5vw, 200px);
    line-height: 0.92;
    letter-spacing: -0.045em;
    color: #0A0705;
    margin: 0 auto;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: flex-start;
    width: 100%;
    max-width: 100%;
  }

.heroA-slogan .line {
    display: block;
    opacity: 0;
    transform: translateY(28px);
    animation: hASlideIn 900ms cubic-bezier(0.2, 0.9, 0.3, 1) forwards;
  }

.heroA-slogan .l1 { animation-delay: 100ms; }

.heroA-slogan .l2 { animation-delay: 260ms; }

.heroA-slogan .l3 { animation-delay: 420ms; }

.heroA-foot {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    padding-bottom: 8px;
  }

.heroA-tag {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(10,7,5,0.72);
    max-width: 520px;
    line-height: 1.7;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

.heroA-tag-l1 { color: rgba(10,7,5,0.85); font-weight: 500; }

.heroA-tag-l2 { color: rgba(10,7,5,0.55); }

.heroA-scroll {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #0A0705;
  }

.heroA-arrow {
    width: 22px; height: 1px;
    background: #0A0705;
    position: relative;
    animation: hADown 1.8s ease-in-out infinite;
  }

.heroA-arrow::after {
    content: '';
    position: absolute;
    right: 0; top: 50%;
    width: 6px; height: 6px;
    border-top: 1px solid #0A0705;
    border-right: 1px solid #0A0705;
    transform: translateY(-50%) rotate(135deg);
  }