/* =====================================================================
   WAIFI — Sections (sections.css)
   ---------------------------------------------------------------------
   Page-level layouts: assembles components into real sections.
   Each block is self-contained, Mobile First (min-width overrides).
   Uses components + tokens only — no new primitives.
   Load order: 5th.
   ===================================================================== */

/* ======================================================
   1. HEADER / NAVIGATION
   Sticky bar; transparent over hero, solid on scroll (is-scrolled).
   Mobile: logo + hamburger; desktop: logo + nav + CTA.
====================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal),
                background-color var(--transition-normal);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    min-height: var(--header-height);
}

/* Mobile: hide inline nav + header CTA; show toggle */
.primary-nav,
.header__cta {
    display: none;
}

.nav-toggle {
    display: inline-flex;          /* shown on mobile */
}

/* Mobile menu: toggle target. Default hidden; JS toggles .is-open.
   Visual pattern: a simple dropdown panel below the header. */
.primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-md);
    padding: var(--space-4) var(--space-4) var(--space-5);
    border-top: var(--border);
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height var(--transition-normal),
                visibility var(--transition-normal);
}

.primary-nav.is-open {
    display: flex;
    max-height: 80vh;
    overflow-y: auto;
    visibility: visible;
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.nav-link {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-body);
    min-height: 44px;           /* a11y touch target (uiux.md §25) */
}

/* Sticky scrolled state — JS adds .is-scrolled to header (placeholder) */
.site-header.is-scrolled {
    box-shadow: var(--shadow-md);
}

/* Desktop ≥1024px: inline nav + CTA, hide hamburger */
@media (min-width: 64rem) {
    .nav-toggle {
        display: none;
    }
    .primary-nav {
        position: static;
        display: flex;
        flex-direction: row;
        background: none;
        box-shadow: none;
        padding: 0;
        border-top: none;
        max-height: none;
        overflow: visible;
        visibility: visible;
    }
    .nav-list {
        flex-direction: row;
        align-items: center;
        gap: var(--space-1);
    }
    .nav-link {
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-size-sm);
    }
    .header__cta {
        display: inline-flex;
    }
}

/* Portal Pelanggan inside the mobile slide-out nav — styled as a button
   so it's discoverable on small screens where the header CTA is hidden. */
.nav-cta-mobile {
    margin-top: var(--space-2);
    padding-top: var(--space-2);
    border-top: var(--border);
}
.nav-link--cta {
    background: var(--color-primary);
    color: #000 !important;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 600;
}
/* On desktop the CTA is in the header bar itself — hide the duplicate in nav */
@media (min-width: 64rem) {
    .nav-cta-mobile {
        display: none;
    }
}

/* ======================================================
   2. HERO — Editorial, text-dominant
   No cartoon illustration. Typography carries the page.
   Background: off-white with subtle fiber-line motif (batik-inspired).
   Single-column editorial, centered. Desktop: wider text block.
====================================================== */
.hero {
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background-color: var(--color-bg);
    padding-top: var(--space-10);
    padding-bottom: var(--space-section);
}

/* Batik-fiber motif — subtle repeating lines inspired by
   Pekalongan batik diagonal patterns + fiber optic cables.
   Visible only at low opacity; decorative, never distracting. */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(
            105deg,
            transparent,
            transparent 48px,
            color-mix(in srgb, var(--color-secondary) 6%, transparent) 48px,
            color-mix(in srgb, var(--color-secondary) 6%, transparent) 49px
        ),
        repeating-linear-gradient(
            15deg,
            transparent,
            transparent 16px,
            color-mix(in srgb, var(--color-primary) 5%, transparent) 16px,
            color-mix(in srgb, var(--color-primary) 5%, transparent) 17px
        );
    pointer-events: none;
}

/* Bottom: a single solid rule instead of wave — clean, architectural.
   Color matches the Features section background for seamless transition. */
.hero::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: min(80%, 480px);
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-secondary) 30%,
        var(--color-secondary) 70%,
        transparent
    );
    pointer-events: none;
}

.hero .container,
.hero__inner {
    position: relative;
    z-index: var(--z-base);
}

.hero__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero__content {
    text-align: center;
    max-width: 44rem;
}

/* Headline — the display serif is the hero's visual identity.
   "Kajen" in brand green with italic to anchor the local identity. */
.hero__title {
    margin-bottom: var(--space-5);
    font-family: var(--font-heading);
    font-size: clamp(2.75rem, 3.5rem + 2vw, 5rem);
    font-weight: var(--font-weight-display);
    line-height: 1.05;
    color: var(--color-heading);
    letter-spacing: -0.02em;
}
.hero__title--accent {
    display: inline;
    font-style: italic;
    color: var(--color-secondary-hover);
}

/* Subhead — warm, conversational, grounded. Body-size on mobile, slightly
   larger on desktop. No generic marketing speak; this is copy that sounds
   like a neighbour, not a salesperson. */
.hero__subtitle {
    font-family: var(--font-body);
    font-size: var(--font-size-body-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text);
    margin-bottom: var(--space-5);
    max-width: 36rem;
    margin-inline: auto;
}

/* Trust line — compact, no badges, no pill.
   Reads like a quiet fact, not a boast. */
.hero__trust {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    margin-bottom: var(--space-6);
    line-height: 1.8;
}
.hero__trust strong {
    color: var(--color-heading);
    font-weight: var(--font-weight-semibold);
}

.hero__content .cta__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
}

/* Desktop: text stays centered, just a bit more breathing room */
@media (min-width: 64rem) {
    .hero {
        padding-top: var(--space-11);
    }
    .hero__subtitle {
        font-size: 1.25rem;
    }
}

/* ======================================================
   3. FEATURES (Keunggulan)
   Bento grid with batik-inspired subtle texture on alt bg.
====================================================== */
.features {
    background-color: var(--color-bg-alt);
    /* Subtle batik-like dot texture — Pekalongan nod to the visual identity.
       Low opacity so it reads as texture, not noise. */
    position: relative;
}
.features::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, color-mix(in srgb, var(--color-secondary) 4%, transparent) 1px, transparent 1px),
        radial-gradient(circle at 50% 60%, color-mix(in srgb, var(--color-primary) 5%, transparent) 1.5px, transparent 1.5px),
        radial-gradient(circle at 80% 15%, color-mix(in srgb, var(--color-secondary) 3%, transparent) 1px, transparent 1px);
    background-size: 80px 60px, 120px 90px, 100px 70px;
    pointer-events: none;
}
.features .container {
    position: relative;
    z-index: var(--z-base);
}
.features-grid {
    display: grid;
    grid-template-columns: 1fr;   /* mobile */
    gap: var(--space-5);
    margin-top: var(--space-6);
}
.feature-card {
    height: 100%;
    justify-content: flex-start;
    text-align: left;
    align-items: flex-start;
}
/* Hero feature — larger icon + bolder, accent chip */
.feature-card--lg {
    padding: var(--space-6);
}
.feature-card--lg .icon-wrap {
    width: 56px;
    height: 56px;
}
.feature-card--lg .icon {
    width: 28px;
    height: 28px;
}
.feature-card--lg .feature-card__title {
    font-size: var(--font-size-h3);
}

/* Tablet: 2 equal columns (hero features still read large) */
@media (min-width: 48rem) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop: 6-col track. Each standard card = 2 cols, hero = 3 cols,
   producing a modular bento rhythm (3+3, then 2+2+2). */
@media (min-width: 64rem) {
    .features-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    .feature-card {
        grid-column: span 2;
    }
    .feature-card--lg {
        grid-column: span 3;
    }
}

/* ======================================================
   4. PRICING (Paket)
   Cards in a responsive grid; centered, max 2 across.
====================================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    margin-top: var(--space-6);
}

.pricing-card__benefits {
    margin-block: var(--space-4);
    text-align: left;
    width: 100%;
}

@media (min-width: 48rem) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 48rem;
        margin-inline: auto;
    }
}

/* ======================================================
   5. COVERAGE (Area Layanan)
   Centered badge row + note. Clean, no alt bg.
====================================================== */
.coverage {
    text-align: center;
    position: relative;
}
/* Thin architectural line as bottom separator — echoes the hero rule */
.coverage::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: min(60%, 320px);
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-border-strong) 30%,
        var(--color-border-strong) 70%,
        transparent
    );
    pointer-events: none;
}
.coverage .section__head {
    margin-inline: auto;
    text-align: center;
}
.coverage-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}
.coverage__note {
    color: var(--color-muted);
    max-width: 40rem;
    margin-inline: auto;
}

/* ======================================================
   6. STEPS / TIMELINE (Cara Berlangganan)
   Mobile: vertical stack. Desktop: horizontal 4 columns.
====================================================== */
.steps {
    background-color: var(--color-bg-alt);
}
.timeline {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    margin-top: var(--space-6);
    counter-reset: none; /* numbers live in markup */
}
.timeline__item {
    align-items: flex-start;
    gap: var(--space-4);
}
/* Reuse numbered icon-wrap as the step marker */
.timeline__num {
    position: relative;
    z-index: var(--z-base);            /* sit above the desktop connector */
    font-family: var(--font-heading);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-body-lg);
}
.timeline__title {
    font-size: var(--font-size-h4);
    margin-bottom: var(--space-1);
}
.timeline__text {
    color: var(--color-muted);
    font-size: var(--font-size-sm);
}

/* Tablet (768–1023px): 2 columns — uses horizontal space well without
   cramming 4 steps into cards too narrow for the step text. */
@media (min-width: 48rem) and (max-width: 63.9375rem) {
    .timeline {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 64rem) {
    .timeline {
        position: relative;
        grid-template-columns: repeat(4, 1fr);
        align-items: stretch;
    }
    /* Horizontal connector line linking the step markers (dashed brand line).
       Sits behind the numbered markers; the card backgrounds are opaque, so
       the line only shows in the gutters between cards. */
    .timeline::before {
        content: "";
        position: absolute;
        top: calc(48px / 2);              /* align to center of the 48px marker */
        left: calc(100% / 8);             /* center of the first card */
        right: calc(100% / 8);            /* center of the last card */
        height: 0;
        border-top: var(--border-width) dashed var(--color-secondary);
        z-index: 0;
    }
    .timeline__item {
        position: relative;
        align-items: center;
        text-align: center;
    }
}

/* ======================================================
   7. FAQ
   Narrow container centers the accordion.
====================================================== */
.faq .section__head {
    margin-inline: auto;
    text-align: center;
}

/* ======================================================
   8. CONTACT
   3 contact cards + CTA. Alt background.
====================================================== */
.contact {
    background-color: var(--color-bg-alt);
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    margin-top: var(--space-6);
}
.contact-card {
    height: 100%;
}
@media (min-width: 48rem) {
    .contact-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ======================================================
   9. FOOTER
   Dark background; responsive columns; border-top rule.
====================================================== */
.site-footer {
    background-color: var(--color-footer);
    padding-block: var(--space-9);
}
.footer__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid #2a3344; /* fallback; overridden by color-mix below on modern engines */
    border-bottom: 1px solid color-mix(in srgb, var(--color-text-on-dark) 15%, transparent);
}
.footer__brand {
    max-width: 24rem;
}
.footer-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}
.footer__copyright {
    margin-top: var(--space-6);
}

@media (min-width: 48rem) {
    .footer__inner {
        grid-template-columns: 2fr 1fr 1fr;
        align-items: start;
    }
}

/* ======================================================
   10. FLOATING ACTIONS
   Fixed bottom-right; stacked vertically (no overlap, review R12).
   Back-to-top hidden until JS adds .is-visible.
====================================================== */
.floating-btn {
    position: fixed;
    right: var(--space-4);
    z-index: var(--z-floating);
}
.floating-btn--whatsapp {
    bottom: var(--space-4);
}
.floating-btn--top {
    bottom: calc(var(--space-4) + 56px + var(--space-3)); /* above WA btn */
    opacity: 0;
    visibility: hidden;
    transform: translateY(var(--space-2));
    transition: opacity var(--transition-normal),
                visibility var(--transition-normal),
                transform var(--transition-normal);
}
.floating-btn--top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ======================================================
   11. SECTION VISUAL RHYTHM
   Alternate backgrounds create clear section separation.
   Body sections inherit .section spacing from layout.css.
====================================================== */