/* ============================================
   SITELSEG — Design System v2.0
   ============================================ */

/* === CSS Variables === */
:root {
    /* Colors */
    --primary: #367EF6;
    --primary-dark: #2563EB;
    --primary-light: #60A5FA;
    --accent: #686DF3;
    --accent-hover: #5558E0;

    --dark: #0F172A;
    --dark-alt: rgb(34, 37, 115);
    --dark-surface: #1E293B;

    --gray-900: #111827;
    --gray-700: #374151;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --gray-50: #F9FAFB;

    --bg-light: #F5F8FF;
    --bg-white: #FFFFFF;

    --text-dark: rgba(0, 0, 0, 0.89);
    --text-body: #374151;
    --text-muted: #6B7280;
    --text-white: #FFFFFF;

    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;

    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing — 8px grid */
    --section-py: 32px;
    --container-max: 1224px;

    /* Transitions */
    --ease: cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition: 0.3s var(--ease);
    --transition-fast: 0.15s ease;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
    --shadow-blue: 0 8px 30px rgba(54, 126, 246, 0.15);

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--text-body);
    line-height: 1.6;
    background: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: 0.35em;
}

h1 { font-size: clamp(32px, 5vw, 52px); font-weight: 700; }
h2 { font-size: clamp(26px, 3.5vw, 40px); font-weight: 600; }
h3 { font-size: clamp(20px, 2.5vw, 28px); font-weight: 600; }
h4 { font-size: 20px; font-weight: 600; }
h5 { font-size: 18px; font-weight: 600; }

p { margin-bottom: 1rem; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
strong { font-weight: 700; }

/* === Layout === */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--section-py) 0;
}

.section--light { background: var(--bg-light); }
.section--white { background: var(--bg-white); }
.section--dark {
    background: var(--dark);
    color: var(--text-white);
}
.section--dark h2,
.section--dark h3,
.section--dark h4 {
    color: var(--text-white);
}

.text-center { text-align: center; }

.section-header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 24px;
}

.section-header p {
    font-size: 17px;
    color: var(--text-muted);
    margin-top: 8px;
}

.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 8px;
}


/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 15px;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    line-height: 1.4;
    white-space: nowrap;
}

.btn--primary {
    background: var(--primary);
    color: var(--text-white);
    border-color: var(--primary);
}
.btn--primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue);
}

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

.btn--outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn--outline:hover {
    background: var(--primary);
    color: var(--text-white);
}

.btn--white {
    background: var(--bg-white);
    color: var(--primary);
    border-color: var(--bg-white);
}
.btn--white:hover {
    background: transparent;
    color: var(--text-white);
    border-color: var(--text-white);
}

.btn--ghost {
    background: transparent;
    color: var(--text-white);
    border-color: rgba(255,255,255,0.3);
}
.btn--ghost:hover {
    border-color: var(--text-white);
    background: rgba(255,255,255,0.1);
}

.btn--lg {
    padding: 18px 40px;
    font-size: 16px;
}

.btn--sm {
    padding: 10px 20px;
    font-size: 13px;
}

.btn--block {
    width: 100%;
}


/* === Animations === */
.fade-in-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }


/* ============================================
   HEADER + MEGA MENU
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.02);
    transition: background 0.4s, box-shadow 0.4s;
    padding: 8px 0;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(14px);
    box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}

/* Logo swap: white logo on dark-hero subpages */
.page-dark-header .logo img {
    filter: brightness(0) invert(1);
    transition: filter 0.4s;
}
.page-dark-header .nav-link {
    color: rgba(255,255,255,0.85);
}
.page-dark-header .nav-link:hover,
.page-dark-header .nav-link.active {
    color: #fff;
    background: rgba(255,255,255,0.1);
}
.page-dark-header .header-cta {
    border-color: rgba(255,255,255,0.4);
    color: #fff;
    background: transparent;
}
.page-dark-header .header-cta:hover {
    background: var(--primary);
    border-color: var(--primary);
}
.page-dark-header .hamburger span {
    background: #fff;
}
/* Revert to normal when scrolled */
.page-dark-header .header.scrolled .logo img {
    filter: none;
}
.page-dark-header .header.scrolled .nav-link,
.header.scrolled .nav-link {
    color: var(--primary) !important;
}
.page-dark-header .header.scrolled .nav-link:hover,
.page-dark-header .header.scrolled .nav-link.active,
.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
    color: var(--dark) !important;
    background: var(--bg-light);
}
.page-dark-header .header.scrolled .header-cta,
.header.scrolled .header-cta {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: #fff !important;
}
.page-dark-header .header.scrolled .hamburger span,
.header.scrolled .hamburger span {
    background: var(--primary);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo img { height: 46px; width: auto; max-width: 180px; object-fit: contain; }

/* Main Nav */
.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 10px 16px;
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 15px;
    color: var(--primary);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-item:hover > .nav-link,
.nav-link.active {
    color: var(--dark);
    background: var(--bg-light);
}

.nav-link .chevron {
    width: 12px;
    height: 12px;
    transition: transform 0.2s;
    opacity: 0.5;
}

.nav-item:hover .chevron {
    transform: rotate(180deg);
    opacity: 1;
}

/* Mega Menu Dropdown */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 720px;
    max-width: calc(100vw - 48px);
    background: var(--bg-white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 28px 32px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    pointer-events: none;
    z-index: 100;
}

.nav-item:hover > .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.mega-link {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    transition: background 0.15s;
}

.mega-link:hover {
    background: var(--bg-light);
}

.mega-link-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    font-size: 20px;
}

.mega-link:hover .mega-link-icon {
    background: var(--primary);
    color: white;
}

.mega-link-text h4 {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.mega-link-text p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.4;
}

/* Header CTA */
.header-cta {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 500;
    padding: 12px 28px;
    border-radius: 0;
    letter-spacing: 0.5px;
}

/* Mobile Menu */
.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 6px;
    z-index: 1001;
}
.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    display: block;
}
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav Overlay */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg-white);
    z-index: 999;
    padding: 100px 24px 40px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
}
.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-nav-link {
    display: block;
    padding: 14px 16px;
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 500;
    color: var(--text-dark);
    border-radius: var(--radius-sm);
}

.mobile-nav-link:hover { background: var(--bg-light); }

.mobile-sub-title {
    padding: 14px 16px 6px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
}

.mobile-sub-link {
    display: block;
    padding: 10px 16px 10px 32px;
    font-size: 15px;
    color: var(--text-body);
    border-radius: var(--radius-sm);
}
.mobile-sub-link:hover { background: var(--bg-light); color: var(--primary); }


/* ============================================
   HERO (HOME)
   ============================================ */
.hero {
    position: relative;
    min-height: 620px;
    display: flex;
    align-items: center;
    padding: 100px 0 48px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: right center;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(245,248,255,0.92) 45%, rgba(245,248,255,0.3) 100%);
    z-index: 1;
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 900px;
}

.hero h1 {
    font-size: clamp(34px, 5vw, 52px);
    line-height: 1.15;
    color: var(--text-dark);
}

.hero h1 .highlight {
    color: var(--primary);
}

.hero-sub {
    font-size: 19px;
    line-height: 1.6;
    color: var(--text-body);
    max-width: 800px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(54, 126, 246, 0.08);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}


/* ============================================
   PARTNERS STRIP
   ============================================ */
.partners-strip {
    padding: 32px 0;
    background: var(--bg-white);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.partners-strip .section-label {
    text-align: center;
    display: block;
    margin-bottom: 20px;
}

.partners-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 24px 36px;
}

.partners-logos img {
    height: 90px;
    object-fit: contain;
    opacity: 0.7;
    transition: opacity 0.3s, transform 0.3s;
    filter: grayscale(20%);
}

.partners-logos img:hover {
    opacity: 1;
    filter: none;
    transform: scale(1.08);
}


/* ============================================
   VALUE PILLARS (3 Columns)
   ============================================ */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.pillar-card {
    text-align: center;
    padding: 28px 24px;
    border-radius: var(--radius-md);
    background: var(--bg-white);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.pillar-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-blue);
    transform: translateY(-6px);
}

.pillar-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    font-size: 28px;
    color: var(--primary);
}

.pillar-card:hover .pillar-icon {
    background: var(--primary);
    color: var(--text-white);
}

.pillar-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.pillar-card p {
    font-size: 15px;
    color: var(--text-muted);
    margin: 0;
}


/* ============================================
   SERVICES GRID (6 Cards)
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    position: relative;
    padding: 28px 24px;
    border-radius: var(--radius-md);
    background: var(--bg-white);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease);
}

.service-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--bg-light);
    font-size: 24px;
    color: var(--primary);
    transition: var(--transition);
}

.service-card:hover .service-card-icon {
    background: var(--primary);
    color: white;
}

.service-card h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-muted);
    flex: 1;
    margin-bottom: 20px;
}

.service-card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.service-card .card-link:hover { gap: 10px; }


/* ============================================
   TESTIMONIAL / CASE STUDY
   ============================================ */
.case-study {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.case-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.metric {
    padding: 20px;
    border-radius: var(--radius-sm);
    background: var(--bg-light);
}

.metric .number {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.metric .label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.quote-block {
    padding: 32px;
    border-left: 4px solid var(--primary);
    background: var(--bg-white);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    box-shadow: var(--shadow-md);
}

.quote-block blockquote {
    font-size: 18px;
    font-style: italic;
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 16px;
}

.quote-block cite {
    display: block;
    font-style: normal;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.quote-block cite span {
    display: block;
    font-weight: 400;
    color: var(--text-muted);
    font-size: 13px;
}


/* ============================================
   DIAGNOSTIC FORM
   ============================================ */
.diagnostic {
    position: relative;
    overflow: hidden;
}

.diagnostic-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.diagnostic-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.92);
    z-index: 1;
}

.diagnostic .container {
    position: relative;
    z-index: 2;
}

.diagnostic-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.diagnostic-info h2 {
    color: var(--text-white);
}

.diagnostic-info p {
    color: var(--gray-400);
    font-size: 16px;
}

.diagnostic-info .email-link {
    display: inline-block;
    font-size: 28px;
    font-weight: 600;
    color: var(--text-white);
    text-decoration: underline;
    text-decoration-color: rgba(255,255,255,0.3);
    margin-bottom: 20px;
    transition: text-decoration-color 0.3s;
}
.diagnostic-info .email-link:hover {
    text-decoration-color: var(--primary);
    color: var(--primary);
}

.whatsapp-btn {
    display: inline-block;
    margin-top: 16px;
}
.whatsapp-btn img {
    height: 80px;
    border-radius: 20px;
    transition: transform 0.3s;
}
.whatsapp-btn img:hover { transform: scale(1.05); }

/* Form Styles */
.form-card {
    background: var(--bg-white);
    padding: 36px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group .required { color: var(--danger); }

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--text-dark);
    background: var(--gray-50);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-white);
    box-shadow: 0 0 0 3px rgba(54, 126, 246, 0.12);
}

textarea.form-control { resize: vertical; min-height: 110px; }

.btn--submit {
    background: var(--accent);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-sm);
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}
.btn--submit:hover {
    background: var(--accent-hover);
}


/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    color: var(--gray-400);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo-footer {
    height: 40px;
    margin-bottom: 16px;
   filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    max-width: 280px;
}

.footer-socials {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
    color: var(--gray-400);
    font-size: 16px;
    transition: var(--transition);
}
.footer-social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-white);
}

.footer-col h5 {
    color: var(--text-white);
    font-size: 16px;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 14px;
    color: var(--gray-400);
}
.footer-links a:hover {
    color: var(--text-white);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 14px;
}

.footer-contact-item .icon {
    flex-shrink: 0;
    color: var(--primary);
    font-size: 16px;
    margin-top: 2px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 13px;
    color: var(--gray-500);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a { color: var(--gray-500); }
.footer-legal a:hover { color: var(--text-white); }


/* ============================================
   BRAND SOLUTIONS GRID
   ============================================ */
.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.brand-card {
    padding: 28px;
    border-radius: var(--radius-md);
    background: var(--bg-white);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    text-align: center;
}

.brand-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-blue);
    transform: translateY(-4px);
}

.brand-card-logo {
    height: 60px;
    object-fit: contain;
    margin: 0 auto 16px;
}

.brand-card h4 {
    font-size: 18px;
    margin-bottom: 12px;
}

.brand-card-solutions {
    list-style: none;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.brand-card-solutions li {
    font-size: 13px;
    color: var(--text-muted);
    padding-left: 18px;
    position: relative;
}

.brand-card-solutions li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
    font-size: 12px;
}


/* ============================================
   FLOATING ACTION BUTTONS
   ============================================ */
.floating-buttons {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-end;
}

.floating-phone {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(54,126,246,0.4);
    transition: var(--transition);
    font-size: 22px;
}
.floating-phone:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(54,126,246,0.5);
}

.floating-emergency {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: #DC2626;
    color: #fff;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(220,38,38,0.4);
    transition: var(--transition);
    white-space: nowrap;
    animation: pulse-emergency 2s infinite;
}
.floating-emergency:hover {
    background: #B91C1C;
    transform: scale(1.05);
    color: #fff;
}
.floating-emergency svg {
    flex-shrink: 0;
}

@keyframes pulse-emergency {
    0%, 100% { box-shadow: 0 4px 20px rgba(220,38,38,0.4); }
    50% { box-shadow: 0 4px 30px rgba(220,38,38,0.7); }
}


/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    :root { --section-py: 40px; }

    .mega-menu {
        display: none !important;
    }

    .pillars-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .case-study { grid-template-columns: 1fr; gap: 24px; }
    .diagnostic-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .hero { min-height: 420px; padding: 88px 0 36px; }

    .section-header { margin: 0 auto 20px; }
    .partners-logos img { height: 64px; }
}

@media (max-width: 768px) {
    :root { --section-py: 32px; }

    .main-nav { display: none; }
    .header-cta { display: none; }
    .hamburger { display: flex; }
    .mobile-nav { display: block; }
    .logo img { height: 36px; max-width: 140px; }

    .hero { min-height: auto; padding: 90px 0 40px; }
    .hero h1 { text-align: center; }
    .hero-sub { text-align: center; max-width: 100%; }
    .hero-inner { max-width: 100%; }
    .hero-actions { justify-content: center; }
    .hero-badge { margin: 0 auto 8px; }

    .pillars-grid { grid-template-columns: 1fr; gap: 12px; }
    .pillar-card { padding: 20px 16px; }
    .services-grid { grid-template-columns: 1fr; gap: 12px; }
    .service-card { padding: 20px 16px; }

    .section-header { margin: 0 auto 16px; }
    .section-header p { font-size: 15px; }

    .footer { padding: 36px 0 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; padding-bottom: 24px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .footer-legal { flex-direction: column; gap: 8px; }

    .partners-strip { padding: 16px 0; }
    .partners-logos { gap: 10px 16px; }
    .partners-logos img { height: 48px; }
    .floating-emergency { font-size: 11px; padding: 10px 14px; }
    .floating-emergency span { display: none; }
    .partners-strip .section-label { margin-bottom: 8px; font-size: 11px; }

    .case-metrics { gap: 12px; }
    .metric .number { font-size: 28px; }
    .quote-block { padding: 20px; }
    .quote-block blockquote { font-size: 15px; }
}

@media (max-width: 480px) {
    :root { --section-py: 28px; }

    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .case-metrics { grid-template-columns: 1fr; }
    .partners-logos img { height: 40px; }
    h1 { font-size: 26px; }
    h2 { font-size: 22px; }
}