/* ══════════════════════════════════════════════════
   SnowbrixAI — Main Stylesheet
   Brand: Navy #1B2A4A · Teal #14B8B8 · Off-white #F8FAFC
   ══════════════════════════════════════════════════ */

/* ── CSS Variables ──────────────────────────────── */
:root {
    --primary: #1B2A4A;
    --primary-dark: #0F1B33;
    --primary-light: #2D4470;
    --accent: #14B8B8;
    --accent-dark: #0D8A8A;
    --accent-light: #F0FAFA;

    --bg: #FFFFFF;
    --bg-alt: #F8FAFC;
    --bg-dark: #0F1B33;
    --text: #1E293B;
    --text-muted: #334155;
    --text-caption: #94A3B8;
    --text-light: #FFFFFF;
    --border: #E2E8F0;

    --shadow-sm: 0 1px 2px rgba(15,27,51,0.05);
    --shadow-md: 0 4px 12px rgba(15,27,51,0.08);
    --shadow-lg: 0 8px 30px rgba(15,27,51,0.1);
    --shadow-card: 0 2px 8px rgba(15,27,51,0.06);

    --radius: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container: 1200px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition);
}

ul, ol {
    list-style: none;
}

/* ── Typography ─────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.2rem; }

p {
    color: var(--text-muted);
    max-width: 65ch;
}

.text-accent {
    color: var(--accent);
}

/* ── Container ──────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section--alt {
    background: var(--bg-alt);
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-title {
    margin-bottom: 20px;
}

.section-desc {
    font-size: 1.1rem;
    max-width: 600px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header .section-desc {
    margin: 0 auto;
}

/* ── Buttons ────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn--accent {
    background: var(--accent);
    color: var(--primary-dark);
    font-weight: 700;
}

.btn--accent:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: translateY(-1px);
}

.btn--outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn--outline:hover {
    background: var(--primary);
    color: #fff;
}

.btn--white {
    background: #fff;
    color: var(--primary);
    box-shadow: var(--shadow-md);
}

.btn--white:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn--outline-white {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.3);
}

.btn--outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}

.btn--lg {
    padding: 18px 40px;
    font-size: 1.05rem;
}

.btn-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ── Navbar ─────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow-sm);
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar__logo {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar__logo .logo-icon {
    width: 36px;
    height: 36px;
    background: var(--accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-size: 0.85rem;
    font-weight: 800;
}

.navbar__logo span {
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 1.1rem;
}

/* Transparent nav on homepage hero */
.is-front-page .navbar:not(.scrolled) {
    background: transparent;
}

.is-front-page .navbar:not(.scrolled) .navbar__logo {
    color: #fff;
}

.navbar__nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.navbar__nav a {
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius);
    color: var(--text-muted);
    transition: all var(--transition);
}

.navbar__nav a:hover,
.navbar__nav a.current {
    color: var(--primary);
    background: var(--bg-alt);
}

.is-front-page .navbar:not(.scrolled) .navbar__nav a {
    color: rgba(255,255,255,0.7);
}

.is-front-page .navbar:not(.scrolled) .navbar__nav a:hover,
.is-front-page .navbar:not(.scrolled) .navbar__nav a.current {
    color: #fff;
    background: rgba(255,255,255,0.1);
}

.navbar__cta {
    margin-left: 8px;
}

.navbar__cta .btn {
    padding: 10px 24px;
    font-size: 0.85rem;
}

/* Mobile menu toggle */
.navbar__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}

.navbar__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: all var(--transition);
}

.is-front-page .navbar:not(.scrolled) .navbar__toggle span {
    background: #fff;
}

/* Mobile nav */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: #fff;
    z-index: 1001;
    padding: 80px 32px 32px;
    transition: right var(--transition);
    box-shadow: var(--shadow-lg);
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav__close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
}

.mobile-nav__close:hover {
    background: var(--bg-alt);
}

.mobile-nav a {
    display: block;
    font-size: 1.05rem;
    font-weight: 500;
    padding: 14px 0;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}

.mobile-nav a:hover {
    color: var(--accent);
}

.mobile-nav .btn {
    margin-top: 24px;
    width: 100%;
    justify-content: center;
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,27,51,0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ── Hero ───────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--primary-dark);
    overflow: hidden;
    padding-top: 80px;
}

.hero__bg-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.06;
    background-image:
        radial-gradient(circle at 20% 50%, var(--accent) 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, var(--accent) 1px, transparent 1px),
        radial-gradient(circle at 60% 80%, var(--accent) 1px, transparent 1px);
    background-size: 60px 60px, 80px 80px, 40px 40px;
}

.hero__accent-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent);
    z-index: 3;
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero__label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    border: 1px solid rgba(20, 184, 184, 0.25);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    margin-bottom: 28px;
}

.hero h1 {
    color: #fff;
    margin-bottom: 24px;
}

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

.hero__desc {
    font-size: 1.15rem;
    color: var(--text-caption);
    max-width: 580px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero .btn-group {
    justify-content: center;
}

/* Teal decorative circles (brand element) */
.hero__circle {
    position: absolute;
    border: 2px solid var(--accent);
    border-radius: 50%;
    opacity: 0.1;
}

.hero__circle--1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
}

.hero__circle--2 {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: -80px;
}

.hero__circle--3 {
    width: 200px;
    height: 200px;
    top: 40%;
    left: 15%;
}

/* ── Stats ──────────────────────────────────────── */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat {
    background: var(--primary);
    border-radius: var(--radius-lg);
    padding: 32px 20px;
    text-align: center;
}

.stat__number {
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 8px;
}

.stat__label {
    font-size: 0.9rem;
    color: #fff;
    font-weight: 500;
}

/* ── Feature Cards ──────────────────────────────── */
.cards-grid {
    display: grid;
    gap: 24px;
}

.cards-grid--3 { grid-template-columns: repeat(3, 1fr); }
.cards-grid--2 { grid-template-columns: repeat(2, 1fr); }
.cards-grid--4 { grid-template-columns: repeat(4, 1fr); }

.feature-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
    padding: 32px;
    transition: all var(--transition);
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.feature-card__icon {
    width: 48px;
    height: 48px;
    background: var(--accent-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 1.3rem;
    color: var(--accent-dark);
}

.feature-card__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary);
}

.feature-card__desc {
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ── Pillar Cards ───────────────────────────────── */
.pillar-card {
    position: relative;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 44px 32px;
    text-align: center;
    transition: all var(--transition);
    overflow: hidden;
}

.pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform var(--transition);
}

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

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

.pillar-card__icon {
    width: 64px;
    height: 64px;
    background: var(--accent-light);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--accent-dark);
}

.pillar-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--primary);
}

.pillar-card__desc {
    font-size: 0.95rem;
    margin-bottom: 24px;
    margin-left: auto;
    margin-right: auto;
}

.pillar-card__link {
    font-weight: 600;
    color: var(--accent-dark);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--transition);
}

.pillar-card__link:hover {
    gap: 12px;
    color: var(--accent);
}

/* ── Page Header ────────────────────────────────── */
.page-header {
    background: var(--primary-dark);
    padding: 160px 0 90px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header__accent-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent);
}

.page-header h1 {
    color: #fff;
    margin-bottom: 18px;
    position: relative;
    z-index: 2;
}

.page-header__desc {
    font-size: 1.15rem;
    color: var(--text-caption);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.page-header .hero__circle {
    opacity: 0.06;
}

/* ── Process Steps ──────────────────────────────── */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    counter-reset: step;
}

.process-step {
    text-align: center;
    counter-increment: step;
    position: relative;
}

.process-step__number {
    width: 56px;
    height: 56px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    color: var(--primary-dark);
    font-weight: 800;
    font-size: 1.2rem;
}

.process-step__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary);
}

.process-step__desc {
    font-size: 0.9rem;
    margin: 0 auto;
    color: var(--text-muted);
}

/* Connector arrow between steps */
.process-step:not(:last-child)::after {
    content: '\2192';
    position: absolute;
    top: 24px;
    right: -16px;
    font-size: 1.2rem;
    color: var(--accent);
    font-weight: 700;
}

/* ── Case Study Cards ───────────────────────────── */
.case-study-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

.case-study-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.case-study-card__header {
    background: var(--primary);
    padding: 36px 32px;
    color: #fff;
    border-left: 4px solid var(--accent);
}

.case-study-card__tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 10px;
}

.case-study-card__title {
    font-size: 1.3rem;
    color: #fff;
    margin-bottom: 6px;
}

.case-study-card__client {
    color: var(--text-caption);
    font-size: 0.9rem;
}

.case-study-card__body {
    padding: 32px;
}

.case-study-card__metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.metric {
    text-align: center;
    padding: 16px 8px;
    background: var(--bg-alt);
    border-radius: var(--radius);
}

.metric__value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent-dark);
    line-height: 1.2;
}

.metric__label {
    font-size: 0.78rem;
    color: var(--text-caption);
    margin-top: 4px;
}

.case-study-card__challenge,
.case-study-card__solution {
    margin-bottom: 18px;
}

.case-study-card__challenge h4,
.case-study-card__solution h4 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-dark);
    margin-bottom: 6px;
}

/* ── Logo Cloud ─────────────────────────────────── */
.logo-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 32px;
}

.logo-cloud__item {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-muted);
    opacity: 0.5;
    transition: opacity var(--transition);
    padding: 12px 20px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.logo-cloud__item:hover {
    opacity: 1;
    border-color: var(--accent);
}

/* ── CTA Banner ─────────────────────────────────── */
.cta-banner {
    background: var(--primary);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent);
}

.cta-banner h2 {
    color: #fff;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.cta-banner p {
    color: var(--text-caption);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto 32px;
    position: relative;
    z-index: 2;
}

.cta-banner .btn-group {
    justify-content: center;
    position: relative;
    z-index: 2;
}

/* ── Academy Program Cards ──────────────────────── */
.program-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.program-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.program-card__duration {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-dark);
    background: var(--accent-light);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: 14px;
    width: fit-content;
}

.program-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary);
}

.program-card__desc {
    font-size: 0.9rem;
    flex-grow: 1;
    margin-bottom: 18px;
}

.program-card__topics {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.program-card__topic {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--primary);
    background: var(--bg-alt);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
}

/* ── About / Bio ────────────────────────────────── */
.bio-section {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px;
    align-items: center;
}

.bio-section__image {
    aspect-ratio: 4/5;
    background: var(--primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 4rem;
    font-weight: 800;
    position: relative;
    overflow: hidden;
}

.bio-section__image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent);
}

.bio-section__content h2 {
    margin-bottom: 6px;
}

.bio-section__role {
    font-size: 1.05rem;
    color: var(--accent-dark);
    font-weight: 600;
    margin-bottom: 24px;
}

.bio-section__text p {
    margin-bottom: 16px;
}

.timeline {
    margin-top: 36px;
}

.timeline__item {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    padding-left: 20px;
    border-left: 2px solid var(--accent);
}

.timeline__year {
    font-weight: 700;
    color: var(--accent-dark);
    min-width: 50px;
}

.timeline__desc {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ── Contact Form ───────────────────────────────── */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px;
}

.contact-info__item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
}

.contact-info__icon {
    width: 48px;
    height: 48px;
    background: var(--accent-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent-dark);
    font-size: 1.2rem;
}

.contact-info__label {
    font-weight: 700;
    margin-bottom: 2px;
    color: var(--primary);
}

.contact-info__value {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.contact-form {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.9rem;
    background: var(--bg);
    color: var(--text);
    transition: border-color var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(20,184,184,0.1);
}

.form-group textarea {
    min-height: 130px;
    resize: vertical;
}

.form-group .error-msg {
    font-size: 0.8rem;
    color: #dc3545;
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

/* Sub-service slide-in */
#sub-service-group,
#custom-service-group {
    animation: slideDown 0.3s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success__icon {
    width: 56px;
    height: 56px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    color: var(--primary-dark);
    font-size: 1.4rem;
}

/* ── Footer ─────────────────────────────────────── */
.footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 0;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer__brand h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 14px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.footer__brand p {
    color: var(--text-caption);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer__social {
    display: flex;
    gap: 10px;
}

.footer__social a {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-caption);
    transition: all var(--transition);
    font-size: 0.85rem;
}

.footer__social a:hover {
    background: var(--accent);
    color: var(--primary-dark);
}

.footer__col h4 {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 18px;
}

.footer__col a {
    display: block;
    font-size: 0.9rem;
    color: var(--text-caption);
    padding: 5px 0;
    transition: color var(--transition);
}

.footer__col a:hover {
    color: var(--accent);
}

.footer__newsletter {
    margin-top: 12px;
}

.footer__newsletter-form {
    display: flex;
    gap: 8px;
}

.footer__newsletter-form input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.04);
    color: #fff;
    font-size: 0.85rem;
    font-family: var(--font);
    outline: none;
}

.footer__newsletter-form input::placeholder {
    color: var(--text-caption);
}

.footer__newsletter-form input:focus {
    border-color: var(--accent);
}

.footer__newsletter-form button {
    padding: 10px 18px;
    background: var(--accent);
    color: var(--primary-dark);
    border: none;
    border-radius: var(--radius);
    font-family: var(--font);
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background var(--transition);
}

.footer__newsletter-form button:hover {
    background: var(--accent-dark);
    color: #fff;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    font-size: 0.8rem;
    color: var(--accent);
}

.footer__bottom a {
    color: var(--accent);
}

.footer__bottom-links {
    display: flex;
    gap: 24px;
}

.footer__bottom-links a:hover {
    color: #fff;
}

/* ── Scroll Animation ───────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.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; }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    * {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 1024px) {
    .cards-grid--3,
    .cards-grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-step:not(:last-child)::after {
        display: none;
    }

    .bio-section {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }

    .navbar__nav {
        display: none;
    }

    .navbar__cta {
        display: none;
    }

    .navbar__toggle {
        display: flex;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .cards-grid--3,
    .cards-grid--4,
    .cards-grid--2 {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
        max-width: 380px;
        margin: 0 auto;
    }

    .hero {
        min-height: auto;
        padding: 140px 0 80px;
    }

    .page-header {
        padding: 120px 0 60px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .case-study-card__metrics {
        grid-template-columns: 1fr;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .btn-group {
        flex-direction: column;
        align-items: center;
    }

    .cta-banner {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .stat {
        padding: 24px 14px;
    }

    .feature-card,
    .pillar-card,
    .offer-card {
        padding: 24px;
    }

    .contact-form {
        padding: 20px;
    }
}

/* ── Hero Micro-Copy ───────────────────────────── */
.hero__micro {
    font-size: 0.82rem;
    color: var(--text-caption);
    margin-top: 20px;
    opacity: 0.7;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

/* ── Value Proposition Cards ───────────────────── */
.vp-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.vp-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform var(--transition);
}

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

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

.vp-card__icon {
    width: 56px;
    height: 56px;
    background: var(--accent-light);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--accent-dark);
}

.vp-card__title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--primary);
}

.vp-card__desc {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.vp-card__link {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent-dark);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--transition), color var(--transition);
}

.vp-card__link:hover {
    gap: 12px;
    color: var(--accent);
}

/* ── Offer Cards (Productized Services) ────────── */
.offer-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.offer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent);
}

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

.offer-card__icon {
    width: 56px;
    height: 56px;
    background: var(--accent-light);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--accent-dark);
}

.offer-card__title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--primary);
}

.offer-card__desc {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.offer-card__bullets {
    list-style: none;
    margin-bottom: 28px;
    flex-grow: 1;
}

.offer-card__bullets li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-muted);
}

.offer-card__bullets li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

.btn--sm {
    padding: 10px 24px;
    font-size: 0.85rem;
}

/* ── Result Cards (Social Proof) ───────────────── */
.result-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: all var(--transition);
}

.result-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.result-card__metric {
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 6px;
}

.result-card__label {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary);
    margin-bottom: 16px;
}

.result-card__desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-muted);
    max-width: 100%;
}

.trust-line {
    text-align: center;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-caption);
    margin-top: 48px;
    letter-spacing: 0.02em;
}

/* ── Tech Bullets ──────────────────────────────── */
.tech-bullets {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    list-style: none;
    margin-bottom: 48px;
}

.tech-bullets li {
    position: relative;
    padding-left: 20px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
}

.tech-bullets li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
}

/* ── Training Section ──────────────────────────── */
.training-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.training-content .section-label {
    text-align: left;
}

.training-content .section-title {
    text-align: left;
}

.training-content .section-desc {
    text-align: left;
    margin-bottom: 28px;
}

.training-bullets {
    list-style: none;
    margin-bottom: 32px;
}

.training-bullets li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 14px;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-muted);
}

.training-bullets li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.training-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.training-visual__card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 20px;
    text-align: center;
    transition: all var(--transition);
}

.training-visual__card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.training-visual__icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.training-visual__label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
}

/* ── Training Section Responsive ───────────────── */
@media (max-width: 1024px) {
    .training-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .training-visual {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .training-visual__card {
        padding: 24px 14px;
    }

    .vp-card,
    .offer-card,
    .result-card {
        padding: 28px 24px;
    }
}