/* =============================================================
   NanoGate Master Stylesheet — Premium Edition
   Shared across: index, products, services, contact,
                  b2b/about, b2b/inquiry, b2b/partners
   ============================================================= */

/* ── Google Fonts ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=Source+Sans+3:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

/* ── Variables ────────────────────────────────────────────────── */
:root {
    --primary:         #0d2545;
    --primary-mid:     #1a3660;
    --primary-light:   #234880;
    --secondary:       #e8a820;
    --secondary-light: #f0bc45;
    --secondary-muted: rgba(232,168,32,.12);

    --white:           #ffffff;
    --off-white:       #f7f8fc;
    --light:           #f0f2f7;
    --gray-100:        #e8eaf0;
    --gray-200:        #d1d5e0;
    --gray-400:        #8892a4;
    --gray-600:        #4e5a6e;
    --dark:            #111827;

    --success:         #1fa35e;
    --danger:          #dc3545;
    --warning:         #ffc107;
    --info:            #17a2b8;
    --gray:            #8892a4;
    --gray-light:      #e8eaf0;

    --shadow-sm:       0 1px 4px rgba(13,37,69,.07);
    --shadow:          0 4px 16px rgba(13,37,69,.10);
    --shadow-md:       0 8px 28px rgba(13,37,69,.13);
    --shadow-lg:       0 18px 56px rgba(13,37,69,.18);
    --shadow-glow:     0 4px 24px rgba(232,168,32,.25);

    --font-display:    'Sora', sans-serif;
    --font-body:       'Source Sans 3', sans-serif;

    --section-pad:     7rem 2rem;

    --radius-sm:       6px;
    --radius:          12px;
    --radius-lg:       20px;
    --radius-xl:       28px;

    --ease:            cubic-bezier(.25,.46,.45,.94);
    --ease-bounce:     cubic-bezier(.34,1.56,.64,1);
    --t-fast:          0.18s;
    --t-mid:           0.28s;
    --t-slow:          0.42s;
    --transition:      all var(--t-mid) var(--ease);
}

/* ── Reset ────────────────────────────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.75;
    color: var(--dark);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

a, button, input, select, textarea,
.btn, .feature-card, .card-ui, .info-card,
.action-card, .partner-card, .industry-card,
.infra-card, .product-card, .service-card,
.product-category, .inquiry-info-card {
    transition: var(--transition);
}

/* ═══ LAYOUT ═══════════════════════════════════════════════════ */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ═══ NAVIGATION ════════════════════════════════════════════════ */
.navbar {
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(13,37,69,.06);
    transition: background var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
}
.navbar.scrolled {
    background: rgba(255,255,255,.98);
    box-shadow: var(--shadow);
}

.navbar-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: .9rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo { display: flex; align-items: center; gap: .75rem; text-decoration: none; flex-shrink: 0; }

.logo-icon {
    width: 42px; height: 42px;
    background: var(--primary);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display);
    font-weight: 800;
    color: var(--secondary);
    font-size: 1.35rem;
    letter-spacing: -.02em;
}

.logo-text { font-family: var(--font-display); font-size: 1.35rem; font-weight: 700; color: var(--primary); letter-spacing: -.02em; }
.logo-text span { color: var(--secondary); }

.nav-links { display: flex; gap: 2.5rem; list-style: none; align-items: center; }

.nav-links a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    font-size: .925rem;
    letter-spacing: .01em;
    position: relative;
    padding-bottom: 3px;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--secondary);
    border-radius: 2px;
    transition: width var(--t-mid) var(--ease);
}
.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--primary); font-weight: 600; }
.nav-links a.active::after { width: 100%; }

.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.35rem; color: var(--primary); cursor: pointer; padding: .4rem; line-height: 1; }

.nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    padding: 1.5rem 2rem 2rem;
    box-shadow: var(--shadow-md);
    gap: .25rem;
    z-index: 999;
    animation: navSlideIn var(--t-mid) var(--ease) forwards;
}
.nav-links.open a { padding: .75rem 0; font-size: 1rem; border-bottom: 1px solid var(--gray-100); }
.nav-links.open a:last-child { border-bottom: none; }

@keyframes navSlideIn { from { opacity:0; transform:translateY(-8px); } to { opacity:1; transform:translateY(0); } }

/* ═══ TYPOGRAPHY ════════════════════════════════════════════════ */
h1, h2, h3, h4, h5 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; letter-spacing: -.025em; color: var(--primary); }
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.75rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.05rem; }
p  { color: var(--gray-600); line-height: 1.8; }
strong { font-weight: 600; color: var(--dark); }

/* ═══ BUTTONS ═══════════════════════════════════════════════════ */
.btn {
    padding: .8rem 1.875rem;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: .925rem;
    letter-spacing: .01em;
    text-decoration: none;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    justify-content: center;
    transition: transform var(--t-fast) var(--ease-bounce), box-shadow var(--t-mid) var(--ease), background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.btn:active { transform: translateY(0) scale(.98); }

.btn-primary { background: var(--secondary); color: var(--primary); box-shadow: var(--shadow-glow); }
.btn-primary:hover { background: var(--secondary-light); transform: translateY(-3px); box-shadow: 0 8px 32px rgba(232,168,32,.35); }

.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-outline-white { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.55); }
.btn-outline-white:hover { background: var(--white); color: var(--primary); border-color: var(--white); transform: translateY(-2px); }

.btn-white { background: var(--white); color: var(--primary); }
.btn-white:hover { background: var(--secondary); color: var(--primary); transform: translateY(-2px); }

.btn-cancel { padding: .8rem 2rem; background: var(--gray-100); color: var(--dark); border: none; border-radius: var(--radius); font-family: var(--font-display); font-weight: 600; cursor: pointer; }
.btn-cancel:hover { background: var(--gray-200); }

.btn-submit { padding: .8rem 2rem; background: var(--secondary); color: var(--primary); border: none; border-radius: var(--radius); font-family: var(--font-display); font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: .5rem; box-shadow: var(--shadow-glow); }
.btn-submit:hover { background: var(--secondary-light); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(232,168,32,.35); }

/* ═══ PAGE HEADER ═══════════════════════════════════════════════ */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 60%, var(--primary-light) 100%);
    padding: 9rem 2rem 5rem;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.page-header::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(232,168,32,.12) 0%, transparent 50%), radial-gradient(circle at 80% 20%, rgba(255,255,255,.05) 0%, transparent 40%);
    pointer-events: none;
}
.page-header > * { position: relative; z-index: 1; }
.page-header h1 { margin-bottom: 1rem; color: var(--white); }
.page-header h1 span { color: var(--secondary); }
.page-header p { font-size: 1.15rem; color: rgba(255,255,255,.78); max-width: 620px; margin: 0 auto; font-weight: 300; line-height: 1.7; }

/* ═══ BREADCRUMB ════════════════════════════════════════════════ */
.breadcrumb { background: var(--white); padding: .75rem 0; border-bottom: 1px solid var(--gray-100); }
.breadcrumb-container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
.breadcrumb a { color: var(--gray-400); text-decoration: none; font-size: .875rem; }
.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb span { color: var(--gray-200); margin: 0 .5rem; font-size: .875rem; }
.breadcrumb .current { color: var(--primary); font-weight: 500; font-size: .875rem; }

/* ═══ SECTION UTILITIES ═════════════════════════════════════════ */
.section-header, .section-title { text-align: center; margin-bottom: 3.5rem; }

.section-label {
    display: inline-block;
    background: var(--secondary-muted);
    color: var(--secondary);
    border: 1px solid rgba(232,168,32,.3);
    padding: .3rem 1.1rem;
    border-radius: 50px;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.section-header h2, .section-title h2 { color: var(--primary); margin-bottom: .875rem; }
.section-header p, .section-title p { color: var(--gray-400); font-size: 1.1rem; max-width: 580px; margin: 0 auto; line-height: 1.75; }

/* ═══ CARD-UI ═══════════════════════════════════════════════════ */
.card-ui {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    display: flex;
    flex-direction: column;
    transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}
.card-ui:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(232,168,32,.4); }

.card-icon { width: 68px; height: 68px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; font-size: 1.65rem; flex-shrink: 0; }
.card-icon--gold { background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%); color: var(--primary); }
.card-icon--navy { background: var(--primary); color: var(--secondary); border-radius: 50%; width: 78px; height: 78px; font-size: 1.9rem; }

.card-ui h3 { font-size: 1.2rem; color: var(--primary); margin-bottom: .6rem; letter-spacing: -.015em; }
.card-ui p  { color: var(--gray-400); font-size: .96rem; line-height: 1.7; flex-grow: 1; }

.card-features { list-style: none; margin: .875rem 0 1.5rem; }
.card-features li { color: var(--gray-600); font-size: .9rem; padding: .25rem 0; display: flex; align-items: center; gap: .6rem; border-bottom: 1px solid var(--gray-100); }
.card-features li:last-child { border-bottom: none; }
.card-features li i { color: var(--success); font-size: .75rem; flex-shrink: 0; }

.card-cta { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: auto; padding-top: 1.5rem; }
.card-cta .btn { flex: 1; min-width: 110px; }

/* ═══ SERVICE CARDS ═════════════════════════════════════════════ */
.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    display: flex;
    flex-direction: column;
    transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(232,168,32,.4); }

.service-header {
    padding: 1.75rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.service-header::after { content: ''; position: absolute; bottom: -30px; right: -30px; width: 120px; height: 120px; background: rgba(255,255,255,.04); border-radius: 50%; pointer-events: none; }

.service-icon-box { width: 48px; height: 48px; background: var(--secondary); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; font-size: 1.2rem; color: var(--primary); }
.service-header h3 { font-size: 1.15rem; margin-bottom: .3rem; color: var(--white); }
.service-header p  { font-size: .875rem; opacity: .85; line-height: 1.5; color: rgba(255,255,255,.85); }
.service-body       { padding: 1.75rem; flex-grow: 1; }
.service-features   { list-style: none; margin-bottom: 1rem; }
.service-features li { display: flex; align-items: center; gap: .5rem; margin-bottom: .5rem; font-size: .9rem; color: var(--gray-600); border-bottom: 1px solid var(--gray-100); padding-bottom: .45rem; }
.service-features li:last-child { border-bottom: none; }
.service-features li i { color: var(--success); font-size: .8rem; flex-shrink: 0; }
.service-footer { padding: 0 1.75rem 1.75rem; }
.service-footer .btn { width: 100%; }

/* ═══ STATS BAR ═════════════════════════════════════════════════ */
.stats { padding: 5rem 2rem; background: var(--primary); position: relative; overflow: hidden; }
.stats::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 20% 50%, rgba(232,168,32,.1) 0%, transparent 50%), radial-gradient(ellipse at 80% 50%, rgba(255,255,255,.04) 0%, transparent 50%); }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 2.5rem; text-align: center; max-width: 1280px; margin: 0 auto; position: relative; z-index: 1; }

.stat-item { padding: 1rem; border-right: 1px solid rgba(255,255,255,.08); }
.stat-item:last-child { border-right: none; }
.stat-item h3 { font-family: var(--font-display); font-size: 3.25rem; color: var(--secondary); font-weight: 800; letter-spacing: -.04em; line-height: 1; margin-bottom: .5rem; }
.stat-item p  { color: rgba(255,255,255,.65); font-size: .85rem; letter-spacing: .05em; text-transform: uppercase; }

/* ═══ CTA SECTION ═══════════════════════════════════════════════ */
.cta-section { padding: var(--section-pad); background: var(--primary); text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 25% 50%, rgba(232,168,32,.14) 0%, transparent 55%), radial-gradient(ellipse at 75% 50%, rgba(255,255,255,.05) 0%, transparent 55%); pointer-events: none; }
.cta-section > .container { position: relative; z-index: 1; }
.cta-section h2 { color: var(--white); margin-bottom: 1rem; }
.cta-section p  { color: rgba(255,255,255,.75); font-size: 1.1rem; max-width: 580px; margin: 0 auto 2.5rem; line-height: 1.75; }

.cta-card { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 100%); border-radius: var(--radius-xl); padding: 4.5rem 2rem; text-align: center; color: var(--white); position: relative; overflow: hidden; }
.cta-card::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 50%, rgba(232,168,32,.14) 0%, transparent 55%); pointer-events: none; }
.cta-card > * { position: relative; z-index: 1; }
.cta-card h2 { color: var(--white); margin-bottom: 1rem; }
.cta-card p  { color: rgba(255,255,255,.82); margin-bottom: 2.5rem; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ═══ ASSISTANCE STRIP ══════════════════════════════════════════ */
.assist-strip { background: var(--off-white); border-top: 1px solid var(--gray-100); border-bottom: 1px solid var(--gray-100); padding: 2.25rem 2rem; }
.assist-strip-inner { max-width: 1280px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.assist-strip-text h4 { font-family: var(--font-display); font-size: 1.1rem; color: var(--primary); margin-bottom: .25rem; }
.assist-strip-text p  { color: var(--gray-400); font-size: .9rem; margin: 0; }
.assist-strip-actions { display: flex; gap: .875rem; flex-wrap: wrap; flex-shrink: 0; }

/* ═══ FOOTER ════════════════════════════════════════════════════ */
.footer { background: var(--primary); color: var(--white); padding: 5rem 2rem 1.5rem; }

.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 3.5rem; margin-bottom: 3rem; max-width: 1280px; margin-left: auto; margin-right: auto; }

.footer-brand .logo-text { color: var(--white); font-size: 1.25rem; }
.footer-brand .logo-text span { color: var(--secondary); }
.footer-brand .logo-icon { background: var(--secondary); color: var(--primary); }

.footer-tagline { color: rgba(255,255,255,.55); font-size: .875rem; line-height: 1.65; margin: 1rem 0 1.5rem; }

.footer-contact-item { display: flex; align-items: flex-start; gap: .6rem; margin-bottom: .6rem; color: rgba(255,255,255,.55); font-size: .875rem; text-decoration: none; }
.footer-contact-item i { color: var(--secondary); font-size: .875rem; margin-top: .2rem; flex-shrink: 0; }
.footer-contact-item:hover { color: var(--secondary); }

.footer-section h4 { color: rgba(255,255,255,.9); margin-bottom: 1.5rem; font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; font-family: var(--font-display); }
.footer-section ul { list-style: none; }
.footer-section ul li { margin-bottom: .55rem; }
.footer-section a  { color: rgba(255,255,255,.5); text-decoration: none; font-size: .9rem; display: inline-flex; align-items: center; gap: .45rem; transition: color var(--t-fast) var(--ease); }
.footer-section a i { font-size: .75rem; opacity: .7; }
.footer-section a:hover { color: var(--secondary); }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.09); padding-top: 1.5rem; text-align: center; color: rgba(255,255,255,.32); font-size: .8rem; max-width: 1280px; margin: 0 auto; }

/* ═══ HERO (index) ══════════════════════════════════════════════ */
.hero {
    min-height: 100vh;
    background: var(--primary);
    display: flex; align-items: center; justify-content: center;
    text-align: center;
    padding: 9rem 2rem 5rem;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 15% 40%, rgba(232,168,32,.16) 0%, transparent 45%), radial-gradient(ellipse at 85% 60%, rgba(35,72,128,.5) 0%, transparent 50%);
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='30' cy='30' r='1.5' fill='%23e8a820' fill-opacity='0.07'/%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 860px; }

.hero-badge {
    display: inline-flex; align-items: center; gap: .5rem;
    background: rgba(232,168,32,.15);
    color: var(--secondary);
    padding: .45rem 1.25rem;
    border-radius: 50px;
    font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
    margin-bottom: 1.75rem;
    border: 1px solid rgba(232,168,32,.28);
    font-family: var(--font-display);
}

.hero h1 { color: var(--white); margin-bottom: 1rem; font-weight: 800; letter-spacing: -.04em; line-height: 1.08; }
.hero h1 span { color: var(--secondary); }

.hero-subtitle { font-size: clamp(1.1rem, 2vw, 1.4rem); color: rgba(255,255,255,.72); margin-bottom: 1.5rem; font-weight: 300; letter-spacing: .01em; }

.hero-description { font-size: 1.08rem; color: rgba(255,255,255,.62); margin-bottom: 3rem; line-height: 1.85; max-width: 680px; margin-left: auto; margin-right: auto; }

.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 3.5rem; }
.hero-cta .btn { padding: .95rem 2.25rem; font-size: 1rem; }

.hero-scroll { position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: .5rem; color: rgba(255,255,255,.4); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; z-index: 1; font-family: var(--font-display); }
.hero-scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, rgba(255,255,255,.35), transparent); animation: scrollPulse 2s ease-in-out infinite; }
@keyframes scrollPulse { 0%,100% { opacity:.4; transform:scaleY(1); } 50% { opacity:.8; transform:scaleY(1.15); } }

/* ═══ PRODUCTS PREVIEW (index) ══════════════════════════════════ */
.products-preview { padding: var(--section-pad); background: var(--off-white); }

.product-category {
    background: var(--white); border-radius: var(--radius-lg); padding: 2.75rem 2.25rem;
    box-shadow: var(--shadow-sm); border: 1px solid var(--gray-100); text-align: center;
    transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}
.product-category:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(232,168,32,.4); }

.product-icon { width: 80px; height: 80px; background: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.75rem; font-size: 1.9rem; color: var(--secondary); }

.product-category h3 { font-size: 1.35rem; color: var(--primary); margin-bottom: .875rem; }
.product-category p  { color: var(--gray-400); margin-bottom: 1.75rem; line-height: 1.7; }

.product-link { color: var(--primary); text-decoration: none; font-weight: 700; font-family: var(--font-display); font-size: .9rem; display: inline-flex; align-items: center; gap: .5rem; letter-spacing: .01em; position: relative; }
.product-link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--secondary); border-radius: 2px; transition: width var(--t-mid) var(--ease); }
.product-link:hover { color: var(--secondary); }
.product-link:hover::after { width: 100%; }
.product-link .fa-arrow-right { transition: transform var(--t-fast) var(--ease); }
.product-link:hover .fa-arrow-right { transform: translateX(4px); }

/* ═══ FEATURES (index) ══════════════════════════════════════════ */
.features { padding: var(--section-pad); background: var(--white); }

.feature-card {
    background: var(--white); border-radius: var(--radius-lg); padding: 2.25rem;
    box-shadow: var(--shadow-sm); border: 1px solid var(--gray-100);
    transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(232,168,32,.4); }

.feature-icon { width: 58px; height: 58px; background: var(--secondary-muted); border: 1px solid rgba(232,168,32,.2); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; font-size: 1.4rem; color: var(--secondary); transition: background var(--t-mid) var(--ease), color var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease); }
.feature-card:hover .feature-icon { background: var(--primary); color: var(--secondary); border-color: transparent; }
.feature-card h3 { font-size: 1.1rem; color: var(--primary); margin-bottom: .6rem; }
.feature-card p  { color: var(--gray-400); font-size: .925rem; line-height: 1.7; }

/* ═══ TRUST BADGES ══════════════════════════════════════════════ */
.trust-badges { display: flex; justify-content: center; gap: 1.25rem; flex-wrap: wrap; padding: 2rem 2rem; background: var(--white); border-bottom: 1px solid var(--gray-100); }
.trust-badge { display: flex; align-items: center; gap: .6rem; padding: .55rem 1.25rem; background: var(--off-white); border: 1px solid var(--gray-100); border-radius: 50px; font-size: .8rem; font-weight: 600; color: var(--gray-600); font-family: var(--font-display); }
.trust-badge i { color: var(--secondary); font-size: .875rem; }

/* ═══ GRID HELPERS ══════════════════════════════════════════════ */
.grid-3     { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.grid-2     { display: grid; grid-template-columns: repeat(2,1fr); gap: 2rem; }
.grid-4     { display: grid; grid-template-columns: repeat(4,1fr); gap: 2rem; }
.grid-auto-300 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 2rem; }
.grid-auto-350 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px,1fr)); gap: 2rem; }
.grid-auto-280 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 2rem; }
.grid-auto-250 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 2rem; }

/* ═══ CATEGORY TABS ═════════════════════════════════════════════ */
.category-tabs { display: flex; justify-content: center; gap: .75rem; padding: 1.75rem 2rem; background: var(--white); border-bottom: 1px solid var(--gray-100); flex-wrap: wrap; position: sticky; top: 72px; z-index: 900; }
.category-tab { padding: .65rem 1.75rem; border: 1.5px solid var(--gray-200); background: transparent; color: var(--gray-600); border-radius: var(--radius); font-family: var(--font-display); font-weight: 600; font-size: .875rem; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: .5rem; transition: var(--transition); }
.category-tab:hover { border-color: var(--primary); color: var(--primary); background: var(--off-white); }
.category-tab.active { background: var(--primary); color: var(--white); border-color: var(--primary); box-shadow: var(--shadow); }

/* ═══ PRODUCT SECTIONS ══════════════════════════════════════════ */
.product-section { padding: 5.5rem 2rem; }
.product-section:nth-child(even) { background: var(--white); }
.product-section:nth-child(odd)  { background: var(--off-white); }

/* ═══ CONTACT PAGE ══════════════════════════════════════════════ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }

.info-cards { display: flex; flex-direction: column; gap: 1.25rem; }
.info-card { display: flex; align-items: flex-start; gap: 1rem; padding: 1.5rem; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--gray-100); transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease); }
.info-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(232,168,32,.4); }

.info-icon { width: 48px; height: 48px; background: var(--secondary-muted); border: 1px solid rgba(232,168,32,.2); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: var(--secondary); flex-shrink: 0; }
.info-content h4 { color: var(--primary); margin-bottom: .35rem; font-size: 1rem; }
.info-content p  { color: var(--gray-400); font-size: .925rem; margin: 0; line-height: 1.6; }
.info-content a  { color: var(--primary); text-decoration: none; font-weight: 500; }
.info-content a:hover { color: var(--secondary); }

.working-hours { margin-top: 2rem; padding: 1.5rem; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--gray-100); }
.working-hours h4 { color: var(--primary); margin-bottom: 1rem; display: flex; align-items: center; gap: .5rem; font-size: 1rem; }
.working-hours h4 i { color: var(--secondary); }
.hours-list { list-style: none; }
.hours-list li { display: flex; justify-content: space-between; padding: .55rem 0; color: var(--gray-400); font-size: .9rem; border-bottom: 1px solid var(--gray-100); }
.hours-list li:last-child { border-bottom: none; }
.hours-list li span { color: var(--primary); font-weight: 600; }

.map-section { display: flex; flex-direction: column; gap: 1.5rem; }
.map-container { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--gray-100); }
.map-container iframe { width: 100%; height: 400px; border: none; display: block; }
.map-address { padding: 1.25rem 1.5rem; background: var(--white); border-top: 1px solid var(--gray-100); }
.map-address h4 { color: var(--primary); margin-bottom: .35rem; font-size: .95rem; }
.map-address p  { color: var(--gray-400); margin: 0; font-size: .9rem; }
.map-address a  { color: var(--primary); text-decoration: none; font-weight: 500; }
.map-address a:hover { color: var(--secondary); }

.quick-actions { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.action-card { padding: 1.5rem; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--gray-100); text-align: center; text-decoration: none; transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease); }
.action-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(232,168,32,.4); }
.action-card i  { font-size: 1.75rem; color: var(--secondary); margin-bottom: .65rem; display: block; }
.action-card h4 { color: var(--primary); font-size: .95rem; margin: 0; }

/* ═══ B2B ABOUT ═════════════════════════════════════════════════ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; margin-bottom: 5rem; }
.about-content h2 { font-size: 2.5rem; color: var(--primary); margin-bottom: 1.5rem; }
.about-content p  { color: var(--gray-400); margin-bottom: 1.1rem; line-height: 1.8; font-size: 1.02rem; }
.about-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; margin-top: 2.5rem; }
.about-stat  { text-align: center; padding: 1.25rem 1rem; background: var(--off-white); border-radius: var(--radius); border: 1px solid var(--gray-100); }
.about-stat h4 { font-family: var(--font-display); font-size: 2rem; color: var(--primary); letter-spacing: -.04em; }
.about-stat p  { font-size: .78rem; color: var(--gray-400); margin: 0; letter-spacing: .03em; text-transform: uppercase; }
.about-image   { position: relative; }
.about-image img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.about-image::before { content: ''; position: absolute; top: -18px; left: -18px; width: 100%; height: 100%; border: 2px solid var(--secondary); border-radius: var(--radius-lg); z-index: -1; opacity: .5; }

.industries-section, .partnership-section { background: var(--white); padding: 4.5rem 2.5rem; margin-bottom: 4rem; border-radius: var(--radius-xl); border: 1px solid var(--gray-100); }

.industry-card { background: var(--off-white); border-radius: var(--radius); padding: 2rem 1.5rem; text-align: center; border: 1px solid var(--gray-100); transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease); }
.industry-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(232,168,32,.4); }
.industry-card i  { font-size: 2.25rem; color: var(--primary); margin-bottom: 1rem; display: block; }
.industry-card h4 { color: var(--primary); margin-bottom: .6rem; font-size: 1.05rem; }
.industry-card p  { color: var(--gray-400); font-size: .875rem; }

.infra-card { background: var(--white); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow-sm); text-align: center; border: 1px solid var(--gray-100); transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease); }
.infra-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(232,168,32,.4); }
.infra-card i  { font-size: 2.25rem; color: var(--secondary); margin-bottom: 1rem; display: block; }
.infra-card h4 { color: var(--primary); margin-bottom: .5rem; font-size: 1.05rem; }
.infra-card p  { color: var(--gray-400); font-size: .875rem; }

.partnership-card { background: var(--off-white); border-radius: var(--radius); padding: 2rem; border-left: 3px solid var(--secondary); }
.partnership-card h4 { color: var(--primary); margin-bottom: .875rem; display: flex; align-items: center; gap: .75rem; font-size: 1.1rem; }
.partnership-card h4 i { color: var(--secondary); }
.partnership-card p  { color: var(--gray-400); font-size: .925rem; }
.partnership-card ul { list-style: none; margin-top: 1rem; }
.partnership-card ul li { color: var(--gray-400); font-size: .875rem; padding: .25rem 0; display: flex; align-items: center; gap: .5rem; border-bottom: 1px solid var(--gray-100); }
.partnership-card ul li:last-child { border-bottom: none; }
.partnership-card ul li i { color: var(--success); font-size: .75rem; }

/* ═══ PARTNERS PAGE ═════════════════════════════════════════════ */
.partner-card { background: var(--white); border-radius: var(--radius-lg); padding: 2.25rem 2rem; box-shadow: var(--shadow-sm); text-align: center; border: 1px solid var(--gray-100); transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease); }
.partner-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(232,168,32,.4); }

.partner-logo { width: 76px; height: 76px; background: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.5rem; font-size: 1.85rem; color: var(--secondary); }
.partner-card h3 { color: var(--primary); margin-bottom: .5rem; font-size: 1.15rem; }
.partner-type { display: inline-block; background: var(--secondary-muted); color: var(--secondary); border: 1px solid rgba(232,168,32,.3); padding: .2rem .875rem; border-radius: 50px; font-size: .75rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 1rem; }
.partner-card p { color: var(--gray-400); font-size: .9rem; line-height: 1.65; }

.case-studies { background: var(--white); border-radius: var(--radius-xl); padding: 3rem; margin-bottom: 4rem; border: 1px solid var(--gray-100); }
.case-study { display: grid; grid-template-columns: 1fr 2fr; gap: 2rem; padding: 2.5rem 0; border-bottom: 1px solid var(--gray-100); }
.case-study:last-child { border-bottom: none; }
.case-study-image { background: var(--off-white); border-radius: var(--radius); min-height: 200px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--gray-100); }
.case-study-image i { font-size: 3.5rem; color: var(--gray-200); }
.case-study-content h3 { color: var(--primary); margin-bottom: .5rem; font-size: 1.15rem; }
.case-study-meta { display: flex; gap: 1.25rem; margin-bottom: 1rem; flex-wrap: wrap; }
.case-study-meta span { font-size: .82rem; color: var(--gray-400); }
.case-study-meta span i { color: var(--secondary); margin-right: .25rem; }
.case-study-content p { color: var(--gray-400); margin-bottom: 1rem; font-size: .925rem; }
.case-study-results { display: flex; gap: 2rem; }
.result-item { text-align: center; }
.result-item h4 { color: var(--secondary); font-size: 1.5rem; font-family: var(--font-display); letter-spacing: -.03em; }
.result-item span { font-size: .78rem; color: var(--gray-400); text-transform: uppercase; letter-spacing: .04em; }

/* ═══ INQUIRY / FORM ════════════════════════════════════════════ */
.form-card { background: var(--white); border-radius: var(--radius-xl); padding: 3rem; box-shadow: var(--shadow); border: 1px solid var(--gray-100); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 1.5rem; }
.form-group { margin-bottom: .25rem; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label { display: block; margin-bottom: .45rem; font-weight: 600; color: var(--dark); font-size: .9rem; }
.form-group label .required { color: var(--danger); }
.form-control { width: 100%; padding: .8rem 1rem; border: 1.5px solid var(--gray-100); border-radius: var(--radius-sm); font-size: .95rem; font-family: var(--font-body); background: var(--white); color: var(--dark); transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease); }
.form-control:focus { outline: none; border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(232,168,32,.18); }
.form-control::placeholder { color: var(--gray-400); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-section-title { grid-column: 1/-1; font-family: var(--font-display); font-size: 1rem; color: var(--primary); font-weight: 700; margin-top: 1rem; padding-bottom: .6rem; border-bottom: 2px solid var(--gray-100); }
.form-actions { display: flex; gap: 1rem; justify-content: flex-end; margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--gray-100); }

.confirmation-message { display: none; padding: 3rem; background: linear-gradient(135deg, var(--success) 0%, #2ecc71 100%); color: var(--white); border-radius: var(--radius-xl); text-align: center; }
.confirmation-message.active { display: block; }
.confirmation-message i    { font-size: 3.5rem; margin-bottom: 1rem; display: block; }
.confirmation-message h3   { font-family: var(--font-display); font-size: 1.65rem; margin-bottom: .875rem; color: var(--white); }
.confirmation-message p    { font-size: 1.05rem; opacity: .9; color: var(--white); }
.reference-id { display: inline-block; background: rgba(255,255,255,.22); padding: .4rem 1.5rem; border-radius: 50px; margin-top: 1.25rem; font-weight: 600; font-size: .875rem; }

.inquiry-info-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 1.5rem; margin-bottom: 3rem; }
.inquiry-info-card { background: var(--white); border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow-sm); text-align: center; border: 1px solid var(--gray-100); transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease); }
.inquiry-info-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(232,168,32,.4); }
.inquiry-info-card i  { font-size: 1.85rem; color: var(--secondary); margin-bottom: .875rem; display: block; }
.inquiry-info-card h4 { color: var(--primary); margin-bottom: .4rem; font-size: 1rem; }
.inquiry-info-card p  { color: var(--gray-400); font-size: .875rem; }

/* ═══ WHATSAPP FLOAT ════════════════════════════════════════════ */
.whatsapp-float { position: fixed; bottom: 32px; right: 32px; width: 58px; height: 58px; background: #25d366; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.85rem; box-shadow: 0 6px 24px rgba(37,211,102,.4); z-index: 1001; text-decoration: none; transition: transform var(--t-fast) var(--ease-bounce), box-shadow var(--t-fast) var(--ease); }
.whatsapp-float:hover { transform: scale(1.12); box-shadow: 0 10px 32px rgba(37,211,102,.5); }

/* ═══ SCROLL REVEAL ═════════════════════════════════════════════ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease); }
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .18s; }
.reveal-delay-3 { transition-delay: .26s; }
.reveal-delay-4 { transition-delay: .34s; }
.reveal-delay-5 { transition-delay: .42s; }
.reveal-delay-6 { transition-delay: .5s; }

/* ═══ RESPONSIVE ════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    :root { --section-pad: 5.5rem 2rem; }
    .grid-3      { grid-template-columns: repeat(2,1fr); }
    .grid-4      { grid-template-columns: repeat(2,1fr); }
    .about-stats { grid-template-columns: repeat(2,1fr); }
    .contact-grid { gap: 2.5rem; }
    .footer-grid { grid-template-columns: repeat(2,1fr); gap: 2.5rem; }
}

@media (max-width: 768px) {
    :root { --section-pad: 4rem 1.5rem; }

    .nav-links          { display: none; }
    .mobile-menu-btn    { display: block; }

    .page-header h1     { font-size: 2rem; }
    .hero h1            { letter-spacing: -.03em; }
    .hero-subtitle      { font-size: 1.05rem; }
    .section-header h2,
    .section-title h2   { font-size: 1.75rem; }
    .cta-section h2,
    .cta-card h2        { font-size: 1.75rem; }
    .about-content h2   { font-size: 1.75rem; }

    .hero-cta           { flex-direction: column; align-items: center; }
    .hero-cta .btn      { width: 100%; max-width: 320px; }
    .hero-scroll        { display: none; }

    .grid-3, .grid-4, .grid-2,
    .grid-auto-300, .grid-auto-350,
    .grid-auto-280, .grid-auto-250 { grid-template-columns: 1fr; }

    .contact-grid   { grid-template-columns: 1fr; }
    .about-grid     { grid-template-columns: 1fr; }
    .about-image::before { display: none; }
    .about-stats    { grid-template-columns: repeat(2,1fr); }
    .quick-actions  { grid-template-columns: 1fr; }
    .category-tabs  { flex-direction: column; align-items: center; top: 66px; }
    .category-tab   { width: 100%; max-width: 320px; justify-content: center; }
    .case-study     { grid-template-columns: 1fr; }
    .case-study-results { flex-direction: column; gap: 1rem; }
    .form-actions   { flex-direction: column; }
    .form-actions button { width: 100%; justify-content: center; }
    .form-card      { padding: 1.75rem 1.25rem; }
    .map-container iframe { height: 280px; }
    .footer-grid    { grid-template-columns: 1fr; gap: 2.5rem; }

    .stat-item      { border-right: none; border-bottom: 1px solid rgba(255,255,255,.08); padding-bottom: 1.5rem; }
    .stat-item:last-child { border-bottom: none; }

    .assist-strip-inner { flex-direction: column; text-align: center; }
    .assist-strip-actions { justify-content: center; }
    .whatsapp-float { width: 52px; height: 52px; font-size: 1.6rem; bottom: 22px; right: 22px; }
    .trust-badges { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding: 1.5rem; }
    .trust-badge  { flex-shrink: 0; }
}

@media (max-width: 480px) {
    .container { padding: 0 1.25rem; }
    .navbar-container { padding: .8rem 1.25rem; }
    .hero { padding: 8rem 1.25rem 5rem; }
    .about-stats { grid-template-columns: 1fr; }
    .quick-actions { grid-template-columns: repeat(2,1fr); }
}