/* ═══════════════════════════════════════════════════
   NEXIFY — Light Enterprise Theme (inspired by UL.com)
   Typography: Inter
   Palette: White/Light gray + Navy Blue accent
   ═══════════════════════════════════════════════════ */

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

:root {
    /* Core Palette — Light Enterprise */
    --bg-body: #FFFFFF;
    --bg-alt: #F5F7FA;
    --bg-surface: #FFFFFF;
    --bg-elevated: #F0F2F5;
    --bg-card: #FFFFFF;

    /* Hero stays dark for impact */
    --bg-hero: #0E1A2B;
    --bg-hero-deep: #091320;

    /* Footer dark */
    --bg-footer: #0E1A2B;
    --bg-footer-surface: #142236;

    /* Accents — Navy Blue */
    --accent: #1B3A5C;
    --accent-light: #2A5082;
    --accent-lighter: #3A6BA3;
    --accent-glow: rgba(27, 58, 92, 0.08);
    --accent-glow-strong: rgba(27, 58, 92, 0.15);
    --accent-warm: #E8740C;
    --accent-warm-dim: #D06608;
    --accent-warn: #D93025;
    --accent-success: #0D8A53;

    /* Text — dark on light */
    --text-primary: #1A1F2E;
    --text-secondary: #4A5568;
    --text-muted: #8896AB;
    --text-on-accent: #FFFFFF;
    --text-on-dark: #E8ECF1;
    --text-on-dark-secondary: #9AA8BD;
    --text-on-dark-muted: #5F7089;

    /* Borders */
    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
    --border-accent: rgba(27, 58, 92, 0.25);

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

    /* Spacing */
    --container: 1200px;
    --section-py: 120px;
    --section-py-mobile: 72px;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* Shadows — subtle for light theme */
    --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-elevated: 0 4px 24px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--text-primary);
    background: var(--bg-body);
    line-height: 1.65;
    overflow-x: hidden;
}

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

/* ── Typography ── */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* ═══════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav--scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
}

.nav__container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo-img {
    height: 36px;
    width: auto;
    transition: opacity 0.4s;
}

.nav__logo-img:hover { opacity: 0.8; }

/* Dual logo swap: white on hero, color on scroll */
.nav__logo-img--white { display: block; }
.nav__logo-img--color { display: none; }

.nav--scrolled .nav__logo-img--white { display: none; }
.nav--scrolled .nav__logo-img--color { display: block; }

.nav__links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all 0.25s;
    position: relative;
}

.nav--scrolled .nav__link {
    color: var(--text-secondary);
}

.nav__link:hover,
.nav__link.active {
    color: #FFFFFF;
}

.nav--scrolled .nav__link:hover,
.nav--scrolled .nav__link.active {
    color: var(--accent);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #FFFFFF;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav--scrolled .nav__link::after {
    background: var(--accent);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 24px;
}

.nav__link--cta {
    background: var(--accent);
    color: var(--text-on-accent) !important;
    font-weight: 600;
    border-radius: var(--radius-sm);
    padding: 8px 20px;
}

.nav__link--cta::after { display: none; }

.nav__link--cta:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
}

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

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #FFFFFF;
    border-radius: 2px;
    transition: all 0.3s;
}

.nav--scrolled .nav__toggle span {
    background: var(--text-primary);
}

/* ═══════════════════════════════════════════════════
   HERO — stays dark for visual impact
   ═══════════════════════════════════════════════════ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        radial-gradient(ellipse 120% 80% at 50% 0%, rgba(27,58,92,0.45) 0%, transparent 60%),
        radial-gradient(ellipse 80% 60% at 80% 80%, rgba(232,116,12,0.08) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-hero-deep) 0%, var(--bg-hero) 60%, var(--bg-body) 100%);
}

.hero__particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 820px;
    padding: 120px 24px 80px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #FFFFFF;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 28px;
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-warm);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(232, 116, 12, 0.5); }
    50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(232, 116, 12, 0); }
}

.hero__title {
    font-size: clamp(2.4rem, 5.5vw, 4.2rem);
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 24px;
    line-height: 1.08;
}

.hero__title-accent {
    background: linear-gradient(135deg, #FFFFFF 0%, #9BB8D8 60%, #E8740C 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.15rem;
    color: var(--text-on-dark-secondary);
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero__subtitle strong {
    color: #FFFFFF;
    font-weight: 600;
}

.hero__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

/* Stats */
.hero__stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.hero__stat {
    text-align: center;
}

.hero__stat-value {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--accent-warm);
    line-height: 1;
}

.hero__stat-symbol {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent-warm);
}

.hero__stat-label {
    display: block;
    font-size: 0.82rem;
    color: var(--text-on-dark-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.hero__stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

/* Scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-on-dark-muted);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero__scroll-indicator {
    width: 20px;
    height: 32px;
    border: 2px solid var(--text-on-dark-muted);
    border-radius: 12px;
    position: relative;
}

.hero__scroll-indicator::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: #FFFFFF;
    border-radius: 4px;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { top: 6px; opacity: 1; }
    50% { top: 16px; opacity: 0.3; }
}

/* ═══════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
}

.btn--primary {
    background: var(--accent);
    color: var(--text-on-accent);
}

.btn--primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(27, 58, 92, 0.25);
}

.btn--outline {
    background: transparent;
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
    border-color: #FFFFFF;
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

/* Light-section outline variant */
.light-section .btn--outline {
    color: var(--accent);
    border-color: var(--accent);
}
.light-section .btn--outline:hover {
    background: var(--accent-glow);
    color: var(--accent);
}

.btn--lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn--full { width: 100%; justify-content: center; }

/* ═══════════════════════════════════════════════════
   SECTIONS (shared)
   ═══════════════════════════════════════════════════ */

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

.section__header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section__tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent-glow);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 100px;
    margin-bottom: 20px;
    border: 1px solid rgba(27, 58, 92, 0.12);
}

.section__tag--warn {
    background: rgba(217, 48, 37, 0.06);
    color: var(--accent-warn);
    border-color: rgba(217, 48, 37, 0.12);
}

.section__tag--success {
    background: rgba(13, 138, 83, 0.06);
    color: var(--accent-success);
    border-color: rgba(13, 138, 83, 0.12);
}

.section__title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section__title--left { text-align: left; }

.section__desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Alternating section backgrounds */
.problems { background: var(--bg-alt); }
.about { background: var(--bg-body); }
.process { background: var(--bg-alt); }
.solutions { background: var(--bg-body); }
.cases { background: var(--bg-alt); }
.products { background: var(--bg-body); }
.differentials { background: var(--bg-alt); }
.inaction {
    background: linear-gradient(180deg, var(--bg-body) 0%, #FFF5F5 50%, var(--bg-body) 100%);
}
.vision {
    background: linear-gradient(180deg, var(--bg-body) 0%, #F0FAF5 50%, var(--bg-body) 100%);
}

/* ═══════════════════════════════════════════════════
   PROBLEMS
   ═══════════════════════════════════════════════════ */

.problems__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.problem-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.problem-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: var(--radius-sm);
    color: var(--accent);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

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

.problem-card__desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ═══════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════ */

.about__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about__text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 36px;
}

.about__features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about__feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.about__feature-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: var(--radius-sm);
    color: var(--accent);
    font-size: 1rem;
}

.about__feature h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.about__feature p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Terminal mock — keeps dark for contrast */
.about__terminal {
    background: #0E1A2B;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-elevated);
}

.terminal__header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.terminal__dot--red { background: #FF5F57; }
.terminal__dot--yellow { background: #FFBD2E; }
.terminal__dot--green { background: #28CA42; }

.terminal__title {
    margin-left: 8px;
    font-size: 0.82rem;
    color: var(--text-on-dark-muted);
    font-weight: 500;
}

.terminal__body { padding: 24px; }

.terminal__line {
    margin-bottom: 16px;
    font-size: 0.88rem;
    line-height: 1.5;
}

.terminal__line--user {
    color: var(--text-on-dark);
    display: flex;
    gap: 10px;
}

.terminal__prompt {
    color: var(--accent-warm);
    font-weight: 700;
}

.terminal__line--ai {
    background: rgba(27, 58, 92, 0.25);
    border-left: 3px solid var(--accent-lighter);
    padding: 12px 16px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.terminal__label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: #6BA3D6;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.terminal__result {
    color: var(--text-on-dark-secondary);
    font-size: 0.85rem;
}

.terminal__line--status {
    color: #6BA3D6;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 0;
    opacity: 0.7;
}

/* ═══════════════════════════════════════════════════
   PROCESS
   ═══════════════════════════════════════════════════ */

.process__timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    margin-bottom: 48px;
}

.process__timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.15;
}

.process__step { text-align: center; }

.process__number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.process__card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: left;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.process__card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.process__card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.process__card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.process__card li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.process__card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

.process__guarantee {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 32px;
    background: var(--accent-glow);
    border: 1px solid rgba(27, 58, 92, 0.12);
    border-radius: var(--radius-md);
    text-align: center;
    justify-content: center;
}

.process__guarantee i {
    font-size: 1.4rem;
    color: var(--accent);
}

.process__guarantee p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.process__guarantee strong {
    color: var(--accent);
}

/* ═══════════════════════════════════════════════════
   PLANS — SEED / GROWTH / SCALE
   ═══════════════════════════════════════════════════ */

.plans__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.plan-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px 32px;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.plan-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
}

.plan-card--featured {
    border: 2px solid var(--accent);
    box-shadow: 0 8px 40px rgba(27,58,92,0.12);
    padding-top: 56px;
}

.plan-card__recommended {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 6px 20px;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.plan-card__badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 16px;
    width: fit-content;
}

.plan-card__badge--seed   { background: #E8F5E9; color: #2E7D32; }
.plan-card__badge--growth { background: #E3F2FD; color: #1565C0; }
.plan-card__badge--scale  { background: #FFF3E0; color: #E65100; }

.plan-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: var(--radius-md);
    color: var(--accent);
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.plan-card--featured .plan-card__icon {
    background: var(--accent);
    color: #fff;
}

.plan-card__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.plan-card__stage {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-warm);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.plan-card__desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 24px;
}

.plan-card__features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.plan-card__features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.plan-card__features li i {
    color: var(--accent-success);
    font-size: 0.8rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.plan-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.plan-card__tags span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 4px 12px;
    border-radius: 100px;
    border: 1px solid rgba(27,58,92,0.1);
}

/* ═══════════════════════════════════════════════════
   WHATSAPP FAB
   ═══════════════════════════════════════════════════ */

.whatsapp-fab {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.35);
    transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
}

.whatsapp-fab:hover {
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 8px 30px rgba(37,211,102,0.45);
}

/* ── WhatsApp-style CTA button ── */
.btn--whatsapp {
    background: #25D366;
    color: #fff;
}

.btn--whatsapp:hover {
    background: #1EBE5A;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37,211,102,0.3);
}

/* ── Dark outline button for plan cards ── */
.btn--outline-dark {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--border-accent);
}

.btn--outline-dark:hover {
    background: var(--accent-glow);
    transform: translateY(-2px);
}

.btn--full {
    width: 100%;
    justify-content: center;
}

/* ═══════════════════════════════════════════════════
   CASES
   ═══════════════════════════════════════════════════ */

.cases__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.case-card__header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.case-card__number {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-on-accent);
    background: var(--accent);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
}

.case-card__industry {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
}

.case-card__title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.case-card__desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.case-card__techs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.case-card__techs span {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-alt);
    padding: 4px 12px;
    border-radius: 100px;
    border: 1px solid var(--border);
}

.case-card__results {
    display: flex;
    gap: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.case-card__result {
    text-align: center;
    flex: 1;
}

.case-card__result strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
}

.case-card__result span {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ═══════════════════════════════════════════════════
   PRODUCTS
   ═══════════════════════════════════════════════════ */

.products__grid {
    max-width: 600px;
    margin: 0 auto;
}

.products__grid--multi {
    max-width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    text-align: center;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(27, 58, 92, 0.03) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.35s;
}

.product-card:hover {
    border-color: var(--accent);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(27, 58, 92, 0.12);
}

.product-card:hover::before { opacity: 1; }

.product-card__badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent-warm);
    color: var(--text-on-accent);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-card__icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: var(--radius-md);
    color: var(--accent);
    font-size: 1.8rem;
    margin: 0 auto 24px;
}

.product-card__title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.product-card__desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.product-card__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.95rem;
    transition: gap 0.3s;
}

.product-card:hover .product-card__link { gap: 14px; }

.product-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 20px;
}

.product-card__tags span {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 4px 12px;
    border-radius: 100px;
    border: 1px solid rgba(27, 58, 92, 0.1);
}

/* ═══════════════════════════════════════════════════
   DIFFERENTIALS
   ═══════════════════════════════════════════════════ */

.differentials__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.diff-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.diff-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.diff-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: var(--radius-md);
    color: var(--accent);
    font-size: 1.4rem;
    margin: 0 auto 18px;
}

.diff-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.diff-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* ═══════════════════════════════════════════════════
   INACTION (cost of not acting)
   ═══════════════════════════════════════════════════ */

.inaction__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.inaction-card {
    background: #FFFFFF;
    border: 1px solid rgba(217, 48, 37, 0.12);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    transition: all 0.35s;
}

.inaction-card:hover {
    border-color: rgba(217, 48, 37, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(217, 48, 37, 0.06);
}

.inaction-card__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(217, 48, 37, 0.06);
    border-radius: var(--radius-sm);
    color: var(--accent-warn);
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.inaction-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--accent-warn);
    margin-bottom: 12px;
}

.inaction-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.inaction-card li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    padding-left: 16px;
    position: relative;
    line-height: 1.5;
}

.inaction-card li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--accent-warn);
    opacity: 0.5;
}

.inaction__cta {
    text-align: center;
}

.inaction__cta p {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
}

/* ═══════════════════════════════════════════════════
   VISION (benefits)
   ═══════════════════════════════════════════════════ */

.vision__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.vision__grid > :nth-child(4),
.vision__grid > :nth-child(5) {
    grid-column: span 1;
}

.vision-card {
    background: #FFFFFF;
    border: 1px solid rgba(13, 138, 83, 0.12);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    transition: all 0.35s;
}

.vision-card:hover {
    border-color: rgba(13, 138, 83, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 4px 20px rgba(13, 138, 83, 0.06);
}

.vision-card__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(13, 138, 83, 0.06);
    border-radius: var(--radius-sm);
    color: var(--accent-success);
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.vision-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--accent-success);
    margin-bottom: 10px;
}

.vision-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* ═══════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════ */

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

.contact__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: flex-start;
}

.contact__desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.7;
}

.contact__benefits {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 28px;
}

.contact__benefit {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.contact__benefit i {
    color: var(--accent-success);
    font-size: 0.85rem;
}

.contact__guarantee {
    background: var(--accent-glow);
    border: 1px solid rgba(27, 58, 92, 0.12);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
}

.contact__channels {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact__channel {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color 0.25s;
}

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

.contact__channel i {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

/* Form */
.contact__form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-card);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form__group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form__group input,
.form__group select,
.form__group textarea {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-primary);
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    transition: all 0.25s;
    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(27, 58, 92, 0.1);
    background: #FFFFFF;
}

.form__group input::placeholder,
.form__group textarea::placeholder {
    color: var(--text-muted);
}

.form__group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238896AB' viewBox='0 0 16 16'%3E%3Cpath d='m8 11.2-6-6L3.4 3.8 8 8.4l4.6-4.6L14 5.2z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form__group select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.form__group textarea { resize: vertical; min-height: 100px; }

/* ═══════════════════════════════════════════════════
   FOOTER — dark for enterprise contrast
   ═══════════════════════════════════════════════════ */

.footer {
    background: var(--bg-footer);
    border-top: 3px solid var(--accent);
    padding: 64px 0 24px;
}

.footer__layout {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer__logo {
    height: 32px;
    margin-bottom: 12px;
}

.footer__tagline {
    font-size: 0.88rem;
    color: var(--text-on-dark-muted);
    margin-bottom: 20px;
    font-style: italic;
}

.footer__social {
    display: flex;
    gap: 12px;
}

.footer__social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-footer-surface);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    color: var(--text-on-dark-secondary);
    font-size: 1rem;
    transition: all 0.25s;
}

.footer__social a:hover {
    border-color: rgba(255, 255, 255, 0.3);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.footer__nav h4,
.footer__contact h4 {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-on-dark);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

.footer__nav a,
.footer__contact a {
    display: block;
    font-size: 0.88rem;
    color: var(--text-on-dark-secondary);
    margin-bottom: 10px;
    transition: color 0.25s;
}

.footer__nav a:hover,
.footer__contact a:hover { color: #FFFFFF; }

.footer__contact p {
    font-size: 0.85rem;
    color: var(--text-on-dark-muted);
    line-height: 1.6;
    margin-top: 10px;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__bottom p {
    font-size: 0.8rem;
    color: var(--text-on-dark-muted);
}

.footer__version {
    font-size: 0.75rem;
    color: var(--text-on-dark-muted);
    opacity: 0.5;
}

/* ═══════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════ */

[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-animate="fade-right"] { transform: translateX(-30px); }
[data-animate="fade-left"] { transform: translateX(30px); }

[data-animate].visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .problems__grid,
    .plans__grid,
    .vision__grid { grid-template-columns: repeat(2, 1fr); }
    .plans__grid { grid-template-columns: 1fr; }
    .differentials__grid { grid-template-columns: repeat(2, 1fr); }
    .products__grid--multi { grid-template-columns: repeat(2, 1fr); }
    .about__layout { grid-template-columns: 1fr; gap: 48px; }
    .contact__layout { grid-template-columns: 1fr; gap: 48px; }
    .process__timeline { grid-template-columns: 1fr; gap: 32px; }
    .process__timeline::before { display: none; }
    .footer__layout { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

@media (max-width: 768px) {
    :root {
        --section-py: 72px;
    }

    .container { padding: 0 20px; }

    .nav__links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(14, 26, 43, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 24px;
        z-index: 999;
    }

    .nav__links.open { display: flex; }

    .nav__links.open .nav__link {
        color: rgba(255, 255, 255, 0.75);
    }

    .nav__links.open .nav__link:hover,
    .nav__links.open .nav__link.active {
        color: #FFFFFF;
    }

    .nav__link {
        font-size: 1.2rem;
        padding: 12px 24px;
    }

    .nav__toggle { display: flex; z-index: 1001; }

    .nav__toggle.open span {
        background: #FFFFFF;
    }

    .nav__toggle.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav__toggle.open span:nth-child(2) { opacity: 0; }
    .nav__toggle.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Hero mobile */
    .hero__content {
        padding: 110px 20px 60px;
        max-width: 100%;
    }

    .hero__title {
        font-size: 2rem;
        word-break: break-word;
    }

    .hero__title-accent {
        font-size: inherit;
        display: block;
    }

    .hero__subtitle {
        font-size: 0.95rem;
        padding: 0 4px;
    }

    .hero__badge {
        font-size: 0.72rem;
        padding: 6px 14px;
    }

    .hero__stats { gap: 20px; }
    .hero__stat-divider { height: 30px; }
    .hero__stat-value { font-size: 1.6rem; }
    .hero__stat-label { font-size: 0.72rem; }

    .hero__scroll { display: none; }

    /* Section headers mobile */
    .section__header { margin-bottom: 40px; }
    .section__title { font-size: 1.5rem; }
    .section__desc { font-size: 0.92rem; }

    /* Grids mobile */
    .problems__grid,
    .plans__grid,
    .cases__grid,
    .inaction__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .vision__grid { grid-template-columns: 1fr; gap: 16px; }
    .differentials__grid { grid-template-columns: 1fr; gap: 16px; }

    /* Cards mobile */
    .problem-card,
    .plan-card,
    .diff-card,
    .inaction-card,
    .vision-card { padding: 24px 20px; }
    .plan-card--featured { padding-top: 48px; }

    .case-card { padding: 28px 24px; }
    .case-card__results { flex-wrap: wrap; gap: 12px; }
    .case-card__result { min-width: 80px; }
    .case-card__result strong { font-size: 1.1rem; }

    /* About terminal mobile */
    .about__terminal { margin-top: 8px; }
    .terminal__body { padding: 18px; }
    .terminal__line { font-size: 0.82rem; }

    /* Process mobile */
    .process__number { font-size: 1.5rem; margin-bottom: 12px; }
    .process__card { padding: 24px 20px; }
    .process__guarantee { flex-direction: column; text-align: center; padding: 20px; }

    /* Products mobile */
    .products__grid--multi { grid-template-columns: 1fr; gap: 16px; }
    .product-card { padding: 36px 24px; }
    .product-card__icon { width: 60px; height: 60px; font-size: 1.5rem; }

    /* Contact mobile */
    .contact__form-wrapper { padding: 24px 20px; }
    .contact__guarantee { padding: 16px 20px; }

    /* Footer mobile */
    .footer__layout { grid-template-columns: 1fr; gap: 28px; }
    .footer { padding: 48px 0 20px; }
    .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
    .hero__content { padding: 100px 16px 48px; }
    .hero__title { font-size: 1.75rem; line-height: 1.15; }
    .hero__subtitle { font-size: 0.88rem; }
    .hero__actions { flex-direction: column; align-items: stretch; }
    .hero__actions .btn { justify-content: center; font-size: 0.9rem; padding: 14px 24px; }
    .hero__stats { flex-direction: row; gap: 12px; justify-content: space-between; }
    .hero__stat-value { font-size: 1.4rem; }
    .hero__stat-symbol { font-size: 1rem; }
    .hero__stat-label { font-size: 0.65rem; }
    .hero__stat-divider { height: 28px; }
    .section__title { font-size: 1.35rem; }
    .section__header { margin-bottom: 32px; }
    .btn--lg { padding: 14px 28px; font-size: 0.9rem; }
    .nav__logo-img { height: 28px; }
    .inaction__cta p { font-size: 1rem; }
}

@media (max-width: 360px) {
    .hero__title { font-size: 1.5rem; }
    .hero__stats { flex-direction: column; gap: 12px; }
    .hero__stat-divider { width: 40px; height: 1px; }
    .case-card__results { flex-direction: column; }
}