:root {
    --smart-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* =====================================================
   MUNCUL SAAT DI-SCROLL
   (hanya aktif jika kelas .js-anim terpasang)
   ===================================================== */
.js-anim .smart-reveal:not(.is-visible) {
    opacity: 0;
}

.js-anim .smart-reveal.is-visible {
    animation: smartRevealIn 0.8s var(--smart-ease) backwards;
}

.js-anim .smart-reveal.smart-delay-1.is-visible { animation-delay: 80ms; }
.js-anim .smart-reveal.smart-delay-2.is-visible { animation-delay: 160ms; }
.js-anim .smart-reveal.smart-delay-3.is-visible { animation-delay: 240ms; }
.js-anim .smart-reveal.smart-delay-4.is-visible { animation-delay: 320ms; }

@keyframes smartRevealIn {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: none; }
}

/* =====================================================
   HERO BERANDA
   ===================================================== */

/* Teks gradasi mengalir */
.js-anim .gradient-text {
    background-image: linear-gradient(100deg, #2563eb, #06b6d4, #2563eb);
    background-size: 200% auto;
    animation: smartGradientFlow 7s linear infinite;
}

@keyframes smartGradientFlow {
    from { background-position: 0% center; }
    to   { background-position: 200% center; }
}

/* Titik denyut pada badge */
.js-anim .eyebrow .pulse {
    position: relative;
}

.js-anim .eyebrow .pulse::after {
    position: absolute;
    inset: 0;
    background: #3b82f6;
    border-radius: 50%;
    content: "";
    animation: smartPulseRing 2.2s ease-out infinite;
}

@keyframes smartPulseRing {
    0%   { transform: scale(1);   opacity: 0.7; }
    100% { transform: scale(3.2); opacity: 0; }
}

/* Kartu visual dan catatan melayang (memakai properti "translate"
   agar tidak bentrok dengan transform bawaan) */
.js-anim section.hero .visual-card {
    animation: smartFloat 6s ease-in-out 1.2s infinite;
}

.js-anim section.hero .floating-note {
    animation: smartFloatSoft 5s ease-in-out 1.4s infinite;
}

@keyframes smartFloat {
    0%, 100% { translate: 0 0; }
    50%      { translate: 0 -12px; }
}

@keyframes smartFloatSoft {
    0%, 100% { translate: 0 0; }
    50%      { translate: 0 9px; }
}

/* Progress bar tumbuh dari kiri */
.js-anim section.hero .progress-bar {
    transform-origin: left;
    animation: smartBarGrow 1.6s var(--smart-ease) 0.9s backwards;
}

@keyframes smartBarGrow {
    from { transform: scaleX(0); }
    to   { transform: scaleX(1); }
}

/* Lingkaran dekoratif: parallax + bernapas */
.js-anim section.hero::before {
    translate: 0 var(--py, 0px);
    animation: smartRingBreath 9s ease-in-out infinite;
}

.js-anim section.hero::after {
    translate: 0 calc(var(--py, 0px) * -0.6);
    animation: smartRingBreath 11s ease-in-out 1s infinite;
}

@keyframes smartRingBreath {
    0%, 100% { scale: 1; }
    50%      { scale: 1.07; }
}

/* =====================================================
   KARTU BERANDA: CAHAYA MENGIKUTI KURSOR
   ===================================================== */
.home-service-card::before,
.home-article-card::before {
    position: absolute;
    inset: 0;
    background: radial-gradient(
        320px circle at var(--mx, 50%) var(--my, 50%),
        rgba(59, 130, 246, 0.1),
        transparent 60%
    );
    border-radius: inherit;
    content: "";
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.home-service-card:hover::before,
.home-article-card:hover::before {
    opacity: 1;
}

/* =====================================================
   TOMBOL
   ===================================================== */
.btn:active {
    transform: scale(0.98);
}

/* Kilau menyapu saat di-hover */
section.hero .btn,
section.cta-band .btn-light {
    position: relative;
    overflow: hidden;
}

section.hero .btn::after,
section.cta-band .btn-light::after {
    position: absolute;
    top: 0;
    left: -80%;
    width: 50%;
    height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.55), transparent);
    content: "";
    transform: skewX(-20deg);
    pointer-events: none;
}

section.hero .btn:hover::after,
section.cta-band .btn-light:hover::after {
    left: 140%;
    transition: left 0.75s ease;
}

/* =====================================================
   BAR PROGRES SCROLL
   ===================================================== */
.smart-scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 3000;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #2563eb, #06b6d4);
    transform: scaleX(0);
    transform-origin: left;
    pointer-events: none;
}

/* =====================================================
   NOTIFIKASI
   ===================================================== */
.alert {
    animation: smartNotificationEnter 0.35s ease-out both;
}

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

/* =====================================================
   KURANGI GERAKAN
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .smart-reveal {
        opacity: 1 !important;
        transform: none !important;
    }

    .smart-scroll-progress {
        display: none;
    }
}

/* =====================================================
   ANIMASI JUDUL (kata naik satu per satu)
   ===================================================== */
.js-anim .smart-split .smart-word {
    display: inline-block;
    padding: 0.1em 0 0.16em;
    margin: -0.1em 0 -0.16em;
    overflow: hidden;
    vertical-align: top;
}

.js-anim .smart-split .smart-word-inner {
    display: inline-block;
    opacity: 0;
    transform: translateY(115%) rotate(4deg);
    transform-origin: left bottom;
    transition:
        transform 0.9s var(--smart-ease),
        opacity 0.6s ease;
    transition-delay: calc(var(--w, 0) * 70ms + 120ms);
}

.js-anim .smart-split.smart-title-in .smart-word-inner {
    opacity: 1;
    transform: none;
}

/* Kata bergradasi: gradasi dipindah ke tiap kata agar tetap terlihat */
.js-anim .smart-split [class*="gradient-text"] {
    background: none !important;
    animation: none !important;
}

.js-anim .smart-split [class*="gradient-text"] .smart-word-inner {
    color: transparent;
    background-image: linear-gradient(100deg, #2563eb, #06b6d4, #2563eb);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: smartGradientFlow 7s linear infinite;
}