/* ══════════════════════════════════════════════════════════════
   THEME VARIABLES — Logo-matched palette (Navy + Sky Blue)
   ══════════════════════════════════════════════════════════════ */
:root {
  /* ── Core colors ── */
  --color-bg:             #ffffff;
  --color-text:           #1a2332;
  --color-text-muted:     #5a6a7e;
  --color-text-subtle:    #8896a7;
  --color-heading:        #0f1d2e;

  /* ── Accent / Brand colors (from logo) ── */
  --color-primary:        #2B5F8A;          /* Deep navy blue (logo dark stroke) */
  --color-secondary:      #56C4E8;          /* Bright sky blue (logo light stroke) */
  --color-tertiary:       #3A9BC5;          /* Mid-blue bridge between the two */
  --color-accent-warm:    #4ECDC4;          /* Teal accent for variety */

  /* ── Gradients ── */
  --gradient-primary:     linear-gradient(135deg, var(--color-primary) 0%, var(--color-tertiary) 100%);
  --gradient-hero-text:   linear-gradient(135deg, var(--color-secondary) 0%, var(--color-tertiary) 40%, var(--color-primary) 100%);
  --gradient-glow:        linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent-warm));
  --gradient-label:       linear-gradient(135deg, var(--color-secondary), var(--color-primary));

  /* ── Surfaces ── */
  --surface-card:         rgba(255,255,255,0.85);
  --surface-card-alt:     #f5f8fc;
  --surface-section-alt:  #f8fafe;
  --surface-dark:         linear-gradient(135deg, #0f1d2e 0%, #1a3550 50%, #234567 100%);
  --surface-tag:          #eef4fb;

  /* ── Borders ── */
  --border-light:         rgba(43, 95, 138, 0.06);
  --border-medium:        rgba(43, 95, 138, 0.08);
  --border-accent:        rgba(43, 95, 138, 0.15);
  --border-accent-hover:  rgba(86, 196, 232, 0.35);

  /* ── Shadows ── */
  --shadow-card:          0 1px 3px rgba(15, 29, 46, 0.04), 0 4px 12px rgba(15, 29, 46, 0.03);
  --shadow-card-hover:    0 8px 32px rgba(43, 95, 138, 0.12), 0 2px 8px rgba(43, 95, 138, 0.06);
  --shadow-btn-hover:     0 8px 32px rgba(43, 95, 138, 0.4);
  --shadow-nav-cta:       0 4px 20px rgba(43, 95, 138, 0.35);

  /* ── Nav ── */
  --nav-bg:               rgba(255,255,255,0.72);
  --nav-bg-scrolled:      rgba(255,255,255,0.96);
  --nav-link-color:       #5a6a7e;
  --nav-link-hover:       var(--color-primary);
  --nav-mobile-bg:        rgba(255,255,255,0.98);

  /* ── Glow orbs ── */
  --orb-opacity:          0.06;
  --orb-1-color:          #2B5F8A;
  --orb-2-color:          #56C4E8;
  --orb-3-color:          #3A9BC5;

  /* ── Particles ── */
  --particle-mode:        antigravity;
  --particle-color:       43, 95, 138;
  --particle-line-opacity: 0.04;
  --particle-count:       400;
  --particle-max-size:    3.5;
  --particle-speed:       0.3;

  /* ── Typography ── */
  --font-body:            'Inter', system-ui, -apple-system, sans-serif;
  --font-heading:         'Sora', 'Inter', sans-serif;

  /* ── Spacing ── */
  --section-padding:      120px 7%;
  --section-padding-sm:   80px 5%;
  --nav-height:           72px;

  /* ── Border radius ── */
  --radius-sm:            10px;
  --radius-md:            16px;
  --radius-lg:            20px;
  --radius-xl:            24px;
  --radius-full:          100px;

  /* ── CTA section ── */
  --cta-heading-color:    var(--color-heading);
  --cta-text-color:       var(--color-text-muted);

  /* ── Footer ── */
  --footer-bg:            #0f1d2e;
  --footer-text:          rgba(255,255,255,0.5);
  --footer-link:          rgba(255,255,255,0.5);
  --footer-link-hover:    var(--color-secondary);
  --footer-border:        rgba(255,255,255,0.08);
}


/* ══════════════════════════════════════
   RESET & BASE
   ══════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.15;
  color: var(--color-heading);
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }


/* ══════════════════════════════════════
   CANVAS / PARTICLE BACKGROUND
   ══════════════════════════════════════ */
#particle-canvas {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}


/* ══════════════════════════════════════
   GLOW ORBS (ambient floating lights)
   ══════════════════════════════════════ */
.glow-orb {
  position: fixed; border-radius: 50%;
  filter: blur(120px); opacity: var(--orb-opacity);
  pointer-events: none; z-index: 0;
  animation: orbFloat 20s ease-in-out infinite alternate;
}
.glow-orb.o1 { width: 600px; height: 600px; background: var(--orb-1-color); top: -200px; left: -100px; animation-delay: 0s; }
.glow-orb.o2 { width: 500px; height: 500px; background: var(--orb-2-color); bottom: -150px; right: -100px; animation-delay: -7s; }
.glow-orb.o3 { width: 400px; height: 400px; background: var(--orb-3-color); top: 40%; left: 50%; animation-delay: -14s; }
@keyframes orbFloat {
  0%   { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(40px, -30px) scale(1.05); }
  66%  { transform: translate(-20px, 40px) scale(0.95); }
  100% { transform: translate(30px, 20px) scale(1.02); }
}


/* ══════════════════════════════════════
   SCROLL-REVEAL ANIMATION
   ══════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.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; }
.reveal-delay-6 { transition-delay: 0.6s; }
.reveal-delay-7 { transition-delay: 0.7s; }


/* ══════════════════════════════════════
   NAV
   ══════════════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: var(--nav-height);
  background: var(--nav-bg);
  backdrop-filter: blur(24px) saturate(1.8);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  border-bottom: 1px solid var(--border-light);
  transition: background 0.4s, border-color 0.4s, box-shadow 0.4s;
}
nav.scrolled {
  background: var(--nav-bg-scrolled);
  box-shadow: 0 1px 20px rgba(15, 29, 46, 0.06);
  border-bottom-color: rgba(43, 95, 138, 0.08);
}

.logo {
  font-family: var(--font-heading);
  font-weight: 700; font-size: 1.2rem; color: var(--color-heading);
  letter-spacing: -0.02em; display: flex; align-items: center; gap: 0.5rem;
  white-space: nowrap;
}
.logo-img {
  height: 34px;
  width: auto;
  flex-shrink: 0;
}
.logo-accent {
  background: var(--gradient-label);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links { display: flex; gap: 2.25rem; }
.nav-links a {
  color: var(--nav-link-color); font-size: 0.88rem; font-weight: 500;
  transition: color 0.3s; position: relative;
  letter-spacing: 0.01em;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--gradient-primary);
  transform: scaleX(0); transform-origin: left; transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-links a:hover { color: var(--nav-link-hover); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  background: var(--gradient-primary);
  color: #fff; padding: 10px 26px; border-radius: var(--radius-full);
  font-size: 0.85rem; font-weight: 600;
  transition: transform 0.25s, box-shadow 0.25s;
  border: none; cursor: pointer;
  letter-spacing: 0.01em;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-nav-cta); }

/* Mobile menu toggle */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--color-heading); margin: 5px 0; transition: 0.3s; border-radius: 2px; }


/* ══════════════════════════════════════
   HERO
   ══════════════════════════════════════ */
.hero {
  min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  text-align: center; padding: 160px 7% 100px;
  position: relative; z-index: 1;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(43, 95, 138, 0.06);
  border: 1px solid var(--border-accent);
  color: var(--color-primary); font-size: 0.75rem; font-weight: 600;
  padding: 8px 20px; border-radius: var(--radius-full); margin-bottom: 2.5rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  animation: badgePulse 3s ease-in-out infinite;
}
.hero-badge::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-secondary); box-shadow: 0 0 12px var(--color-secondary);
}
@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(43, 95, 138, 0.12); }
  50%      { box-shadow: 0 0 0 14px rgba(43, 95, 138, 0); }
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.5rem); font-weight: 800;
  letter-spacing: -0.04em; margin-bottom: 1.5rem; max-width: 900px;
}
.hero h1 .gradient-text,
.gradient-text {
  background: var(--gradient-hero-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem); color: var(--color-text-muted);
  max-width: 620px; margin-bottom: 3rem; font-weight: 400; line-height: 1.85;
}

.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

.btn-glow {
  background: var(--gradient-primary);
  color: #fff; padding: 16px 36px; border-radius: var(--radius-full);
  font-size: 0.95rem; font-weight: 600;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s;
  font-family: var(--font-body); border: none; cursor: pointer;
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-arrow {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-glow:hover .btn-arrow { transform: translateX(4px); }
.btn-glow::before {
  content: ''; position: absolute; inset: -2px;
  background: var(--gradient-glow);
  border-radius: var(--radius-full); z-index: -1; opacity: 0;
  transition: opacity 0.4s; filter: blur(14px);
}
.btn-glow:hover { transform: translateY(-2px); box-shadow: var(--shadow-btn-hover); }
.btn-glow:hover::before { opacity: 1; }

.btn-ghost {
  background: transparent; color: var(--color-heading);
  border: 1.5px solid rgba(43, 95, 138, 0.2);
  padding: 16px 36px; border-radius: var(--radius-full);
  font-size: 0.95rem; font-weight: 500;
  transition: border-color 0.3s, color 0.3s, background 0.3s;
  font-family: var(--font-body);
}
.btn-ghost:hover {
  border-color: var(--color-primary); color: var(--color-primary);
  background: rgba(43, 95, 138, 0.04);
}

/* Hero stats */
.hero-stats {
  display: flex; gap: 4rem; margin-top: 5rem;
  padding-top: 3rem; border-top: 1px solid var(--border-light);
}
.hero-stat { text-align: center; }
.stat-value {
  font-family: var(--font-heading);
  font-size: 1.8rem; font-weight: 700;
  color: var(--color-primary);
}
.stat-label {
  font-size: 0.75rem; color: var(--color-text-subtle);
  margin-top: 4px; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 500;
}

/* Floating elements in hero */
.float-element {
  position: absolute; border-radius: var(--radius-md);
  background: rgba(43, 95, 138, 0.03);
  border: 1px solid rgba(43, 95, 138, 0.06);
  backdrop-filter: blur(4px); z-index: 0;
  animation: float 6s ease-in-out infinite;
}
.float-element.f1 { width: 80px; height: 80px; top: 20%; left: 8%; animation-delay: 0s; animation-duration: 7s; }
.float-element.f2 { width: 60px; height: 60px; top: 30%; right: 10%; animation-delay: -2s; animation-duration: 5s; border-radius: 50%; }
.float-element.f3 { width: 100px; height: 100px; bottom: 25%; left: 12%; animation-delay: -4s; animation-duration: 8s; }
.float-element.f4 { width: 50px; height: 50px; bottom: 20%; right: 15%; animation-delay: -1s; animation-duration: 6s; border-radius: 50%; }
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-20px) rotate(5deg); }
}


/* ══════════════════════════════════════
   SECTIONS SHARED
   ══════════════════════════════════════ */
section { padding: var(--section-padding); position: relative; z-index: 1; }

.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; margin-bottom: 1.2rem;
  color: var(--color-primary);
}
.section-label::before {
  content: ''; width: 24px; height: 2px;
  background: var(--gradient-primary); border-radius: 2px;
}
.section-title {
  font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 700;
  letter-spacing: -0.03em; color: var(--color-heading); margin-bottom: 1rem;
}
.section-sub {
  font-size: 1.05rem; color: var(--color-text-muted);
  max-width: 600px; line-height: 1.85; font-weight: 400;
}
.section-head { margin-bottom: 4rem; }


/* ══════════════════════════════════════
   ABOUT
   ══════════════════════════════════════ */
.about { background: var(--surface-section-alt); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}
.about-text p { color: var(--color-text-muted); margin-bottom: 1.2rem; font-weight: 400; font-size: 1rem; line-height: 1.8; }

.about-values {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2.5rem;
}
.value-card {
  padding: 1.5rem; border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--border-light);
  transition: border-color 0.3s, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s;
  box-shadow: var(--shadow-card);
}
.value-card:hover {
  border-color: var(--border-accent-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}
.value-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(43, 95, 138, 0.08);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.75rem; color: var(--color-primary);
  transition: background 0.3s, transform 0.3s;
}
.value-card:hover .value-icon {
  background: var(--gradient-primary);
  color: #fff;
  transform: scale(1.05);
}
.value-card h4 {
  font-family: var(--font-heading); font-size: 0.95rem;
  font-weight: 700; margin-bottom: 0.4rem; color: var(--color-heading);
}
.value-card p { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.65; }

.about-visual {
  background: var(--surface-dark);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-xl); padding: 3rem; position: relative; overflow: hidden;
  min-height: 420px; display: flex; flex-direction: column; justify-content: flex-end;
}
.about-visual::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(86, 196, 232, 0.2) 0%, transparent 70%);
}
.about-visual::after {
  content: ''; position: absolute; bottom: -40px; left: -40px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(43, 95, 138, 0.2) 0%, transparent 70%);
}
.about-visual .big-text {
  font-family: var(--font-heading);
  font-size: 5rem; font-weight: 800;
  color: rgba(255, 255, 255, 0.03);
  position: absolute; top: 1.5rem; left: 2rem; line-height: 1;
}
.av-items { display: flex; flex-direction: column; gap: 0.75rem; position: relative; z-index: 1; }
.av-item {
  display: flex; align-items: center; gap: 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px; padding: 1rem 1.25rem;
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
}
.av-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(86, 196, 232, 0.2);
  transform: translateX(6px);
}
.av-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.av-item span { font-size: 0.9rem; color: rgba(255, 255, 255, 0.7); font-weight: 500; }


/* ══════════════════════════════════════
   SERVICES — 3 PILLAR CARDS
   ══════════════════════════════════════ */
.services { background: transparent; }

.pillars-grid {
  display: grid; grid-template-columns: 1fr; gap: 1.5rem;
}

.pillar-card {
  position: relative; overflow: hidden;
  padding: 3rem; border-radius: var(--radius-xl);
  background: var(--surface-card);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-card);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s, box-shadow 0.4s;
}
.pillar-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; border-radius: 3px 3px 0 0;
}
.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

/* Pillar accent colors */
.pillar-it::before    { background: linear-gradient(90deg, var(--color-primary), var(--color-tertiary)); }
.pillar-recruit::before { background: linear-gradient(90deg, var(--color-secondary), var(--color-accent-warm)); }
.pillar-payroll::before { background: linear-gradient(90deg, var(--color-tertiary), var(--color-secondary)); }

.pillar-it:hover      { border-color: rgba(43, 95, 138, 0.2); }
.pillar-recruit:hover { border-color: rgba(86, 196, 232, 0.25); }
.pillar-payroll:hover { border-color: rgba(58, 155, 197, 0.25); }

/* Decorative glow */
.pillar-card::after {
  content: ''; position: absolute; top: -80px; right: -80px;
  width: 250px; height: 250px; border-radius: 50%;
  pointer-events: none; opacity: 0;
  transition: opacity 0.5s;
}
.pillar-it::after    { background: radial-gradient(circle, rgba(43, 95, 138, 0.06) 0%, transparent 65%); }
.pillar-recruit::after { background: radial-gradient(circle, rgba(86, 196, 232, 0.06) 0%, transparent 65%); }
.pillar-payroll::after { background: radial-gradient(circle, rgba(58, 155, 197, 0.06) 0%, transparent 65%); }
.pillar-card:hover::after { opacity: 1; }

.pillar-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem;
}
.pillar-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s;
}
.pillar-card:hover .pillar-icon { transform: scale(1.08); }

.pillar-it .pillar-icon    { background: rgba(43, 95, 138, 0.08); color: var(--color-primary); }
.pillar-recruit .pillar-icon { background: rgba(86, 196, 232, 0.1); color: var(--color-secondary); }
.pillar-payroll .pillar-icon { background: rgba(58, 155, 197, 0.1); color: var(--color-tertiary); }

.pillar-it:hover .pillar-icon    { box-shadow: 0 4px 20px rgba(43, 95, 138, 0.15); }
.pillar-recruit:hover .pillar-icon { box-shadow: 0 4px 20px rgba(86, 196, 232, 0.15); }
.pillar-payroll:hover .pillar-icon { box-shadow: 0 4px 20px rgba(58, 155, 197, 0.15); }

.pillar-number {
  font-family: var(--font-heading); font-size: 0.8rem; font-weight: 700;
  color: var(--color-text-subtle); letter-spacing: 0.05em;
}

.pillar-title {
  font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700;
  color: var(--color-heading); margin-bottom: 0.75rem; letter-spacing: -0.02em;
}
.pillar-desc {
  font-size: 0.95rem; color: var(--color-text-muted);
  line-height: 1.8; margin-bottom: 1.75rem; font-weight: 400; max-width: 700px;
}
.pillar-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.pillar-tag {
  font-size: 0.78rem; font-weight: 500;
  background: var(--surface-tag);
  border: 1px solid rgba(43, 95, 138, 0.1);
  color: var(--color-primary);
  padding: 6px 16px; border-radius: var(--radius-full);
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}
.pillar-tag:hover {
  background: rgba(43, 95, 138, 0.08);
  border-color: var(--border-accent-hover);
  transform: translateY(-1px);
}


/* ══════════════════════════════════════
   DATA PLATFORM
   ══════════════════════════════════════ */
.data-platform { background: var(--surface-section-alt); }

.platform-grid {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 5rem; align-items: start;
}
.platform-left p { color: var(--color-text-muted); font-size: 0.97rem; line-height: 1.8; font-weight: 400; margin-bottom: 1.2rem; }

.tech-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.tech-tag {
  font-size: 0.78rem; font-weight: 500;
  background: rgba(43, 95, 138, 0.06);
  color: var(--color-primary);
  border: 1px solid var(--border-accent);
  padding: 6px 16px; border-radius: var(--radius-full);
  transition: background 0.25s, transform 0.25s;
}
.tech-tag:hover { background: rgba(43, 95, 138, 0.12); transform: translateY(-1px); }

.platform-tiers { display: flex; flex-direction: column; gap: 1rem; }
.tier-item {
  display: flex; gap: 1.25rem; align-items: flex-start;
  padding: 1.5rem; border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: border-color 0.3s, background 0.3s, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s;
}
.tier-item:hover {
  border-color: var(--border-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}
.tier-num {
  font-family: var(--font-heading); font-size: 0.75rem; font-weight: 700;
  color: #fff;
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  background: var(--gradient-primary);
}
.tier-content h4 {
  font-family: var(--font-heading); font-size: 1rem;
  font-weight: 700; color: var(--color-heading); margin-bottom: 0.4rem;
}
.tier-content p { font-size: 0.87rem; color: var(--color-text-muted); line-height: 1.65; font-weight: 400; }


/* ══════════════════════════════════════
   INDUSTRIES
   ══════════════════════════════════════ */
.usecases { background: transparent; }

.uc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.uc-card {
  padding: 2rem 1.75rem;
  background: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s, box-shadow 0.4s;
  position: relative;
  overflow: hidden;
}
.uc-card::before {
  content: ''; position: absolute; top: 0; left: 0; bottom: 0; width: 3px;
  background: var(--gradient-primary);
  opacity: 0; transition: opacity 0.3s;
}
.uc-card:hover::before { opacity: 1; }
.uc-card:hover {
  border-color: var(--border-accent-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.uc-icon-wrap {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(43, 95, 138, 0.06);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem; color: var(--color-primary);
  transition: background 0.3s, color 0.3s, transform 0.3s;
}
.uc-card:hover .uc-icon-wrap {
  background: var(--gradient-primary);
  color: #fff;
  transform: scale(1.06);
}

.uc-card h4 { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--color-heading); }
.uc-card p { font-size: 0.84rem; color: var(--color-text-muted); line-height: 1.65; font-weight: 400; }


/* ══════════════════════════════════════
   CTA
   ══════════════════════════════════════ */
.cta-section {
  text-align: center; padding: 140px 7%;
  position: relative; overflow: hidden; z-index: 1;
  background: var(--surface-section-alt);
}
.cta-glow {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 700px; height: 400px;
  background: radial-gradient(ellipse, rgba(86, 196, 232, 0.08) 0%, rgba(43, 95, 138, 0.04) 40%, transparent 70%);
  pointer-events: none;
}
.cta-section h2 {
  font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800;
  color: var(--cta-heading-color); margin-bottom: 1.25rem; letter-spacing: -0.03em;
  position: relative;
}
.cta-section p {
  color: var(--cta-text-color); font-size: 1.05rem; font-weight: 400;
  max-width: 520px; margin: 0 auto 3rem; position: relative; line-height: 1.85;
}
.cta-btns { display: flex; justify-content: center; gap: 1rem; position: relative; }


/* ══════════════════════════════════════
   FLOATING WHATSAPP BUTTON
   ══════════════════════════════════════ */
.whatsapp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform 0.3s, box-shadow 0.3s;
  animation: whatsappPulse 2.5s ease-in-out infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
}
@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50%      { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 10px rgba(37, 211, 102, 0.1); }
}


/* ══════════════════════════════════════
   FOOTER — Dark premium style
   ══════════════════════════════════════ */
footer {
  background: var(--footer-bg);
  border-top: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent-warm)) 1;
  color: var(--footer-text);
  padding: 4rem 7% 2rem;
  font-size: 0.85rem;
  position: relative; z-index: 1;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--footer-border);
}
.footer-brand { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-brand .logo { font-size: 1.1rem; color: #fff; }
.footer-brand .logo-accent {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent-warm));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-tagline { font-size: 0.85rem; color: var(--footer-text); font-weight: 400; }

.footer-col { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-heading {
  font-family: var(--font-heading); font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.8); margin-bottom: 0.5rem;
}
.footer-col a {
  color: var(--footer-link); transition: color 0.25s; font-weight: 400;
}
.footer-col a:hover { color: var(--footer-link-hover); }

.footer-contact-item {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--footer-text); font-size: 0.84rem;
  transition: color 0.25s; text-decoration: none;
}
a.footer-contact-item:hover { color: var(--footer-link-hover); }
.footer-contact-item svg { flex-shrink: 0; opacity: 0.5; }

.footer-bottom {
  padding-top: 2rem;
  text-align: center;
  color: rgba(255,255,255,0.3); font-size: 0.8rem;
}


/* ══════════════════════════════════════
   HORIZONTAL SCROLL LINE
   ══════════════════════════════════════ */
.scroll-line {
  height: 1px; position: relative; overflow: hidden;
  margin: 0 7%; z-index: 1;
}
.scroll-line::after {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(43, 95, 138, 0.12), rgba(86, 196, 232, 0.12), transparent);
}


/* ══════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════ */
@media (max-width: 1024px) {
  .platform-grid, .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .uc-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { gap: 2.5rem; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .menu-toggle { display: block; }
  nav.menu-open .nav-links {
    display: flex; flex-direction: column;
    position: absolute; top: var(--nav-height); left: 0; right: 0;
    background: var(--nav-mobile-bg);
    backdrop-filter: blur(24px);
    padding: 2rem 5%; gap: 1.5rem;
    border-bottom: 1px solid var(--border-light);
    animation: menuSlideDown 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }
  @keyframes menuSlideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  nav.menu-open .nav-cta {
    display: inline-block;
    position: absolute; top: calc(var(--nav-height) + 200px); left: 5%;
  }
}
@media (max-width: 640px) {
  .logo { font-size: 1.05rem; }
  .logo-img { height: 28px; }
  .uc-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 1.5rem; align-items: center; }
  .about-values { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.5rem; }
  section { padding: var(--section-padding-sm); }
  .float-element { display: none; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .pillar-card { padding: 2rem 1.5rem; }
  .pillar-title { font-size: 1.25rem; }
  .whatsapp-float { bottom: 20px; right: 20px; width: 50px; height: 50px; }
  .whatsapp-float svg { width: 24px; height: 24px; }
  .scroll-line { margin: 0 5%; }
  .btn-glow, .btn-ghost { padding: 14px 28px; font-size: 0.9rem; }
}