/* ============================================================
   EK MACH — Industrial Compostable Machinery
   Dark industrial theme, scroll-driven machine animation
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700;9..144,800&family=Inter:wght@400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, svg, video { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ---------- Tokens ---------- */
:root {
  --forest:      #1a3a08;
  --forest-600:  #2d5016;
  --forest-400:  #3a6a1d;
  --green:       #5a9e2f;
  --green-400:   #7bbf47;
  --green-200:   #a8d87c;
  --lime:        #c8f06a;
  --dark:        #0d1a06;
  --dark-800:    #111c07;
  --dark-600:    #182609;
  --panel:       #1e2f10;
  --panel-600:   #243614;
  --terra:       #d4753e;
  --terra-400:   #e8935e;
  --metal:       #8a9e7a;
  --metal-200:   #b8c9a8;
  --cream:       #f0ede4;
  --cream-200:   #f8f5ef;
  --ink:         #1a1a1a;
  --ink-600:     #3f3f3f;
  --ink-400:     #6b6b6b;
  --white:       #ffffff;

  --glow-green:  rgba(90, 158, 47, 0.25);
  --glow-lime:   rgba(200, 240, 106, 0.15);

  --font-serif:  'Fraunces', Georgia, serif;
  --font-sans:   'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --r-sm: 0.5rem; --r: 0.875rem; --r-lg: 1.25rem; --r-xl: 2rem;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow:    0 4px 20px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.4);
  --glow:      0 0 40px rgba(90,158,47,0.3);

  --container: 1240px;
  --header-h:  76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

body {
  font-family: var(--font-sans);
  color: var(--cream);
  background: var(--dark);
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem); }
h2 { font-size: clamp(2rem, 3vw + 1rem, 3.25rem); }
h3 { font-size: clamp(1.25rem, 1.5vw + 0.5rem, 1.75rem); }
h4 { font-size: 1.125rem; }
p  { color: var(--metal-200); line-height: 1.7; }

.container { max-width: var(--container); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.section    { padding-block: clamp(4rem, 9vw, 7rem); }
.section-dark { background: var(--dark); }
.section-panel { background: var(--panel); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--lime);
  margin-bottom: 0.875rem;
}
.eyebrow::before { content:''; width: 24px; height: 2px; background: var(--lime); border-radius: 2px; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 3.5rem; }
.section-head h2 { margin-bottom: 1rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.625rem;
  padding: 0.9rem 1.75rem; border-radius: var(--r);
  font-weight: 700; font-size: 0.9375rem;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s;
  white-space: nowrap; cursor: pointer; border: none;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--forest-400));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(90,158,47,0.4);
}
.btn-primary:hover { box-shadow: 0 8px 32px rgba(90,158,47,0.55); background: linear-gradient(135deg, var(--green-400), var(--green)); }
.btn-wa {
  background: #25D366;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
}
.btn-wa:hover { background: #20ba59; box-shadow: 0 8px 32px rgba(37,211,102,0.55); }
.btn-ghost {
  background: transparent; color: var(--lime);
  border: 2px solid var(--lime);
  padding: calc(0.9rem - 2px) calc(1.75rem - 2px);
}
.btn-ghost:hover { background: var(--lime); color: var(--dark); }
.btn-lg { padding: 1.125rem 2.25rem; font-size: 1.0625rem; }
.btn-arrow::after { content: '→'; transition: transform 0.25s var(--ease); }
.btn-arrow:hover::after { transform: translateX(5px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(13, 26, 6, 0.88);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(90, 158, 47, 0.15);
  transition: background 0.3s;
}
.nav-bar {
  display: flex; align-items: center;
  justify-content: space-between;
  height: var(--header-h); gap: 1.5rem;
}
.nav-logo { display: flex; align-items: center; gap: 0.75rem; font-weight: 800; font-size: 1.25rem; color: var(--white); }
.nav-logo span { color: var(--lime); }
.logo-icon {
  width: 42px; height: 42px; background: var(--green);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-weight: 800; font-size: 1.1rem; color: var(--white);
  box-shadow: 0 0 16px rgba(90,158,47,0.5);
}
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { font-size: 0.9375rem; font-weight: 500; color: var(--metal-200); transition: color 0.2s; }
.nav-links a:hover { color: var(--lime); }
.nav-cta { margin-left: 0.5rem; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--cream); border-radius: 2px; transition: all 0.3s; }
.nav-mobile { display: none; background: var(--dark-800); border-top: 1px solid rgba(90,158,47,0.15); }
.nav-mobile ul { padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.nav-mobile a { font-weight: 600; font-size: 1.0625rem; color: var(--cream); }

/* ---------- HERO ---------- */
.hero {
  min-height: 100svh;
  display: flex; align-items: center;
  padding-top: var(--header-h);
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(26,58,8,0.9) 0%, var(--dark) 70%);
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(90,158,47,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90,158,47,0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 60% 40%, black 20%, transparent 70%);
}
.hero-glow {
  position: absolute; border-radius: 50%; filter: blur(100px); pointer-events: none;
}
.hero-glow-1 { width: 600px; height: 600px; background: rgba(90,158,47,0.18); top: -10%; right: 5%; }
.hero-glow-2 { width: 400px; height: 400px; background: rgba(212,117,62,0.12); bottom: 10%; left: -5%; }
.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
  padding-block: 5rem;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.625rem;
  background: rgba(200,240,106,0.1); border: 1px solid rgba(200,240,106,0.25);
  border-radius: 999px; padding: 0.375rem 1rem;
  font-size: 0.8125rem; font-weight: 600; color: var(--lime);
  margin-bottom: 1.5rem;
}
.hero-badge svg { width: 14px; height: 14px; fill: var(--lime); }
.hero h1 { color: var(--white); margin-bottom: 1.5rem; }
.hero h1 .accent { color: var(--lime); position: relative; }
.hero-lead { font-size: 1.125rem; color: var(--metal-200); margin-bottom: 2rem; max-width: 520px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }
.hero-stats { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.hero-stat .num { display: block; font-family: var(--font-serif); font-size: 1.75rem; font-weight: 700; color: var(--white); }
.hero-stat .label { font-size: 0.8125rem; color: var(--metal); }

/* Hero machine diagram */
.hero-visual {
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.hero-machine-svg {
  width: 100%; max-width: 520px;
  filter: drop-shadow(0 20px 60px rgba(90,158,47,0.3));
}

/* Fade-up animation on load — snappy so hero never looks blank */
.fade-up { opacity: 0; transform: translateY(20px); transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
.fade-up.visible { opacity: 1; transform: none; }
.fade-up-delay-1 { transition-delay: 0.08s; }
.fade-up-delay-2 { transition-delay: 0.16s; }
.fade-up-delay-3 { transition-delay: 0.24s; }

/* ---------- SCROLL MACHINE JOURNEY ---------- */
.journey-wrapper {
  position: relative;
}
.journey-sticky {
  position: sticky; top: var(--header-h);
  height: calc(100svh - var(--header-h));
  display: flex; flex-direction: column; justify-content: center;
  overflow: hidden;
  background: var(--dark-800);
}
.journey-canvas {
  position: relative; width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}
/* The scroll sections that drive the animation */
.journey-scroll-driver {
  height: 700vh; /* 7 steps × 100vh */
  position: relative;
}
.journey-info {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 2rem clamp(1rem,4vw,3rem);
  background: linear-gradient(to top, rgba(13,26,6,0.98) 40%, transparent);
  pointer-events: none;
}
.journey-step-info {
  display: none;
  max-width: 600px; margin: 0 auto; text-align: center;
}
.journey-step-info.active { display: block; }
.journey-step-info .step-num-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--green); color: var(--white); font-weight: 800;
  font-size: 0.9375rem; margin-bottom: 0.75rem;
  box-shadow: 0 0 20px rgba(90,158,47,0.5);
}
.journey-step-info h3 { color: var(--white); margin-bottom: 0.5rem; font-size: 1.5rem; }
.journey-step-info p { color: var(--metal-200); font-size: 0.9375rem; }
.journey-progress {
  display: flex; gap: 6px; justify-content: center; margin-top: 1rem;
}
.journey-progress-dot {
  width: 28px; height: 4px; border-radius: 2px;
  background: rgba(255,255,255,0.2); transition: background 0.4s, width 0.4s;
}
.journey-progress-dot.active { background: var(--lime); width: 40px; }

/* SVG Machine Pipeline */
.machine-svg {
  width: 100%; height: 100%; max-height: calc(100svh - var(--header-h) - 180px);
}

/* Individual machine units */
.machine-unit { transition: opacity 0.5s, filter 0.5s; opacity: 0.25; filter: grayscale(0.8); }
.machine-unit.active { opacity: 1; filter: none; }
.machine-unit.done   { opacity: 0.7; filter: none; }

/* Conveyor belt motion */
.belt-segment { stroke-dasharray: 12 6; }
.belt-moving { animation: beltMove 1s linear infinite; }
@keyframes beltMove { to { stroke-dashoffset: -18; } }

/* Flow particles */
.flow-particle { animation: flowRight 2s linear infinite; }
.flow-particle:nth-child(2) { animation-delay: 0.5s; }
.flow-particle:nth-child(3) { animation-delay: 1s; }
.flow-particle:nth-child(4) { animation-delay: 1.5s; }
@keyframes flowRight { from { transform: translateX(-30px); opacity:0; } 30% { opacity:1; } 70% { opacity:1; } to { transform: translateX(30px); opacity:0; } }

/* Heat glow pulse */
.heat-ring { animation: heatPulse 1.5s ease-in-out infinite; transform-origin: center; }
@keyframes heatPulse { 0%,100% { opacity:0.3; r:14; } 50% { opacity:0.8; r:18; } }

/* Bubble rise */
.bubble { animation: bubbleRise 2.5s ease-in-out infinite; transform-origin: center; }
@keyframes bubbleRise { 0%,100% { transform: translateY(0) scaleY(1); } 50% { transform: translateY(-8px) scaleY(1.08); } }

/* Gear spin */
.gear { transform-origin: center; }
.gear-cw { animation: gearCW 3s linear infinite; }
.gear-ccw { animation: gearCCW 3s linear infinite; }
@keyframes gearCW  { to { transform: rotate(360deg); } }
@keyframes gearCCW { to { transform: rotate(-360deg); } }

/* Fan spin */
.fan { transform-origin: center; animation: gearCW 1.5s linear infinite; }

/* ---------- MACHINE CARDS (static section) ---------- */
.machine-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.machine-card {
  background: var(--panel);
  border: 1px solid rgba(90,158,47,0.15);
  border-radius: var(--r-lg);
  padding: 2rem;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
  position: relative; overflow: hidden;
}
.machine-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(90,158,47,0.06) 0%, transparent 60%);
  opacity: 0; transition: opacity 0.3s;
}
.machine-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(90,158,47,0.4); }
.machine-card:hover::before { opacity: 1; }
.machine-card-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--green), var(--forest-400));
  font-weight: 800; font-size: 1.125rem; color: var(--white);
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 16px rgba(90,158,47,0.35);
}
.machine-card h3 { color: var(--white); margin-bottom: 0.625rem; font-size: 1.25rem; }
.machine-card p { font-size: 0.9375rem; }
.machine-card .tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.machine-tag {
  background: rgba(90,158,47,0.15); border: 1px solid rgba(90,158,47,0.25);
  border-radius: 999px; padding: 0.2rem 0.75rem;
  font-size: 0.8rem; font-weight: 600; color: var(--green-400);
}

/* ---------- SPECS TABLE ---------- */
.specs-wrap { overflow-x: auto; border-radius: var(--r-lg); box-shadow: var(--shadow); }
.specs-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.9375rem; white-space: nowrap;
}
.specs-table thead { background: var(--green); color: var(--white); }
.specs-table thead th {
  padding: 1rem 1.25rem; font-weight: 700;
  text-align: left; letter-spacing: 0.04em; font-size: 0.875rem;
}
.specs-table tbody tr {
  background: var(--panel); border-bottom: 1px solid rgba(90,158,47,0.1);
  transition: background 0.2s;
}
.specs-table tbody tr:hover { background: var(--panel-600); }
.specs-table tbody td { padding: 1rem 1.25rem; color: var(--cream); }
.specs-table tbody td:first-child { font-weight: 700; color: var(--lime); }
.model-highlight { background: linear-gradient(90deg, rgba(90,158,47,0.15), transparent) !important; }

/* ---------- PILLARS / WHAT WE PROVIDE ---------- */
.pillars-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.pillar-card {
  background: var(--panel);
  border: 1px solid rgba(90,158,47,0.15);
  border-radius: var(--r-lg); padding: 2rem;
  text-align: center;
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.pillar-card:hover { transform: translateY(-4px); border-color: rgba(90,158,47,0.4); }
.pillar-icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(90,158,47,0.25), rgba(90,158,47,0.08));
  border: 2px solid rgba(90,158,47,0.3);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem; font-size: 1.75rem;
}
.pillar-card h3 { color: var(--white); margin-bottom: 0.75rem; font-size: 1.2rem; }

/* ---------- INFRA ---------- */
.infra-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.25rem; }
.infra-item {
  background: var(--dark-600);
  border: 1px solid rgba(90,158,47,0.15);
  border-radius: var(--r-lg); padding: 1.75rem 1.5rem;
  transition: border-color 0.3s;
}
.infra-item:hover { border-color: rgba(90,158,47,0.4); }
.infra-val { font-family: var(--font-serif); font-size: 1.875rem; font-weight: 700; color: var(--lime); margin-bottom: 0.375rem; }
.infra-label { font-size: 0.9375rem; font-weight: 600; color: var(--white); margin-bottom: 0.375rem; }
.infra-desc { font-size: 0.875rem; color: var(--metal); }

/* ---------- ADVANTAGE SECTION ---------- */
.advantage-box {
  background: linear-gradient(135deg, var(--panel) 0%, rgba(90,158,47,0.12) 100%);
  border: 1px solid rgba(90,158,47,0.25);
  border-radius: var(--r-xl); padding: 3rem;
  max-width: 900px; margin: 0 auto;
}
.advantage-box h2 { color: var(--white); margin-bottom: 1.5rem; }
.advantage-list { display: flex; flex-direction: column; gap: 1rem; }
.advantage-item {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.25rem; background: rgba(0,0,0,0.25); border-radius: var(--r);
  border: 1px solid rgba(90,158,47,0.1);
}
.advantage-check {
  width: 28px; height: 28px; min-width: 28px; border-radius: 50%;
  background: rgba(90,158,47,0.2); border: 1.5px solid var(--green);
  display: flex; align-items: center; justify-content: center;
  color: var(--lime); font-size: 0.9rem; font-weight: 700;
}
.advantage-text strong { color: var(--white); display: block; margin-bottom: 0.2rem; }
.advantage-text span { font-size: 0.9rem; color: var(--metal-200); }

/* ---------- INQUIRY FORM ---------- */
.inquiry-section {
  background: linear-gradient(180deg, var(--dark) 0%, var(--dark-800) 100%);
}
.inquiry-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start;
}
.inquiry-left h2 { color: var(--white); margin-bottom: 1.25rem; }
.inquiry-left p { margin-bottom: 2rem; }
.contact-items { display: flex; flex-direction: column; gap: 1rem; }
.contact-item {
  display: flex; gap: 1rem; align-items: center;
}
.contact-item-icon {
  width: 44px; height: 44px; min-width: 44px; border-radius: 12px;
  background: rgba(90,158,47,0.15); border: 1px solid rgba(90,158,47,0.25);
  display: flex; align-items: center; justify-content: center;
  color: var(--lime); font-size: 1.1rem;
}
.contact-item-text strong { display: block; color: var(--white); font-size: 0.875rem; font-weight: 600; }
.contact-item-text a, .contact-item-text span { color: var(--metal-200); font-size: 0.9rem; }
.contact-item-text a:hover { color: var(--lime); }

.inquiry-form-card {
  background: var(--panel);
  border: 1px solid rgba(90,158,47,0.2);
  border-radius: var(--r-xl); padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}
.inquiry-form-card h3 { color: var(--white); margin-bottom: 1.75rem; font-size: 1.5rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--metal-200); letter-spacing: 0.03em; }
.field input, .field select, .field textarea {
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(90,158,47,0.2);
  border-radius: var(--r);
  padding: 0.75rem 1rem;
  color: var(--cream);
  font-size: 0.9375rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.field input::placeholder, .field textarea::placeholder { color: rgba(255,255,255,0.2); }
.field input:focus, .field select, .field textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(90,158,47,0.15);
}
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237bbf47' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; }
.field select option { background: var(--panel); color: var(--cream); }
.field textarea { resize: vertical; min-height: 110px; }
.form-submit-row { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; margin-top: 0.5rem; }
.form-note { font-size: 0.8rem; color: var(--metal); }
.form-success {
  display: none; background: rgba(90,158,47,0.15); border: 1.5px solid var(--green);
  border-radius: var(--r); padding: 1rem 1.25rem; color: var(--lime);
  font-weight: 600; margin-top: 1rem; text-align: center;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--dark-800);
  border-top: 1px solid rgba(90,158,47,0.12);
  padding-block: 4rem 2rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 4rem; margin-bottom: 3rem; }
.footer-brand .logo-mark { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; font-weight: 800; font-size: 1.2rem; color: var(--white); }
.footer-brand .logo-mark span { color: var(--lime); }
.footer-brand p { font-size: 0.9rem; color: var(--metal); max-width: 320px; }
.footer-links h4 { color: var(--white); font-size: 0.9375rem; margin-bottom: 1.25rem; font-family: var(--font-sans); }
.footer-links ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a { font-size: 0.9rem; color: var(--metal); transition: color 0.2s; }
.footer-links a:hover { color: var(--lime); }
.footer-bottom {
  border-top: 1px solid rgba(90,158,47,0.1);
  padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
  font-size: 0.85rem; color: var(--metal);
}
.footer-bottom a { color: var(--green-400); }

/* ---------- WhatsApp FAB ---------- */
.whatsapp-fab {
  position: fixed; bottom: 1.75rem; right: 1.75rem; z-index: 200;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.whatsapp-fab:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(37,211,102,0.6); }
.whatsapp-fab svg { width: 30px; height: 30px; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ---------- CTA BAND ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--green) 0%, var(--forest) 100%);
  border-radius: var(--r-xl); padding: 4rem 3rem; text-align: center;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='30' cy='30' r='1' fill='rgba(255,255,255,0.08)'/%3E%3C/svg%3E") repeat;
}
.cta-band h2 { color: var(--white); font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: 1rem; position: relative; }
.cta-band p { color: rgba(255,255,255,0.82); max-width: 580px; margin: 0 auto 2rem; position: relative; font-size: 1.0625rem; }
.cta-band .btn-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; }
.cta-band .btn-light {
  background: var(--white); color: var(--forest);
  font-weight: 700; box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.cta-band .btn-light:hover { background: var(--cream); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }
.cta-band .btn-outline {
  background: transparent; color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
  padding: calc(1.125rem - 2px) calc(2.25rem - 2px);
}
.cta-band .btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { order: -1; }
  .hero-machine-svg { max-width: 380px; }
  .inquiry-inner { grid-template-columns: 1fr; gap: 3rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile.open { display: block; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-stats { gap: 1.5rem; }
  .hero-actions { flex-direction: column; }
  .journey-sticky { height: auto; min-height: calc(100svh - var(--header-h)); }
  .machine-svg { max-height: 40vh; }
  .cta-band { padding: 2.5rem 1.5rem; }
  .advantage-box { padding: 2rem 1.25rem; }
  .inquiry-form-card { padding: 1.75rem 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  .gear-cw, .gear-ccw, .fan, .belt-moving, .flow-particle, .heat-ring, .bubble {
    animation: none !important;
  }
  .fade-up, .reveal { opacity: 1 !important; transform: none !important; }
}