/* ============================================================
   IELTS Lite — mirip Golden Online Class
   ============================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    scroll-padding-top: 72px;
}
body {
    font-family: "Poppins", sans-serif;
    font-size: 16px;
    color: #333;
    overflow-x: hidden;
}
img {
    max-width: 100%;
}
a {
    color: inherit;
    text-decoration: none;
}
ul {
    list-style: none;
}

:root {
    --blue: #3b82f6;
    --blue-dark: #2563eb;
    --gold: #fbbf24;
    --gold-dark: #f59e0b;
    --wa: #25d366;
    --wa-dark: #128c7e;
    --text: #333;
    --text-muted: #666;
    --text-light: #e0f2fe;
    --white: #fff;
    --bg-light: #f7f9fc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.section {
    padding: 100px 20px;
}
.section-light {
    background: linear-gradient(180deg, #fff 0%, #f0f6ff 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-title {
    font-size: clamp(28px, 5vw, 40px);
    font-weight: 700;
    color: #333;
    margin-bottom: 14px;
}
.section-subtitle {
    font-size: 19px;
    color: #666;
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
}
.text-blue {
    color: var(--blue);
}
.highlight {
    color: var(--gold);
    position: relative;
    display: inline-block;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: "Poppins", sans-serif;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
}
.btn-wa {
    background: linear-gradient(135deg, var(--wa), var(--wa-dark));
    color: #fff;
    box-shadow: 0 2px 12px rgba(37, 211, 102, 0.35);
    padding: 14px 28px;
    font-size: 16px;
}
.btn-wa:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}
.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}
.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
}
.btn-primary {
    padding: 18px 36px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
    position: relative;
    overflow: hidden;
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(37, 99, 235, 0.4);
}
.btn-primary .btn-arrow {
    margin-left: 8px;
    transition: transform 0.3s;
}
.btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}

/* ---------- NAVBAR ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 72px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}
.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    color: #1e293b;
    font-weight: 600;
}
.logo-img {
    flex-shrink: 0;
}
.logo-text strong {
    font-weight: 800;
    color: var(--blue);
}
.nav-links {
    display: flex;
    gap: 28px;
}
.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: #334155;
    transition: color 0.2s;
    position: relative;
}
.nav-links a:after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--blue);
    transition: width 0.2s;
}
.nav-links a:hover {
    color: var(--blue);
}
.nav-links a:hover:after {
    width: 100%;
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: #333;
    border-radius: 2px;
    transition: all 0.3s;
}
.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO — persis referensi
   ============================================================ */
.hero {
    background: linear-gradient(
        135deg,
        #0f1f5a 0%,
        #1e3a8a 15%,
        #3b82f6 35%,
        #60a5fa 55%,
        #93c5fd 75%,
        #dbeafe 100%
    );
    padding: 100px 20px 80px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(
            ellipse at 30% 35%,
            rgba(147, 197, 253, 0.3) 0%,
            transparent 60%
        ),
        radial-gradient(
            ellipse at 70% 30%,
            rgba(251, 191, 36, 0.15) 0%,
            transparent 50%
        ),
        radial-gradient(
            ellipse at 55% 80%,
            rgba(59, 130, 246, 0.25) 0%,
            transparent 55%
        );
    pointer-events: none;
    z-index: 0;
}
/* Rotating shapes */
.bg-shape {
    position: absolute;
    z-index: 0;
    opacity: 0.5;
}
.bg-shape-1 {
    top: -100px;
    right: -60px;
    width: 420px;
    height: 420px;
    background: linear-gradient(
        45deg,
        rgba(96, 165, 250, 0.35),
        rgba(59, 130, 246, 0.25)
    );
    animation: rotateCW 20s linear infinite;
    border-radius: 40% 60% 60% 40% / 40% 60% 40% 60%;
}
.bg-shape-2 {
    bottom: -150px;
    left: -50px;
    width: 360px;
    height: 360px;
    background: linear-gradient(
        45deg,
        rgba(251, 191, 36, 0.25),
        rgba(245, 158, 11, 0.2)
    );
    animation: rotateCCW 25s linear infinite;
    border-radius: 60% 40% 40% 60% / 50% 40% 60% 50%;
}
.bg-shape-3 {
    top: 45%;
    left: -30px;
    width: 200px;
    height: 200px;
    background: linear-gradient(
        135deg,
        rgba(147, 197, 253, 0.25),
        rgba(96, 165, 250, 0.15)
    );
    animation: rotateCW 18s linear infinite reverse;
    border-radius: 55% 45% 45% 55% / 45% 55% 55% 45%;
}
.bg-shape-4 {
    bottom: 18%;
    right: -20px;
    width: 170px;
    height: 170px;
    background: linear-gradient(
        225deg,
        rgba(251, 191, 36, 0.18),
        rgba(245, 158, 11, 0.1)
    );
    animation: rotateCCW 22s linear infinite;
    border-radius: 45% 55% 55% 45% / 55% 45% 45% 55%;
}
@keyframes rotateCW {
    from {
        transform: rotate(0);
    }
    to {
        transform: rotate(360deg);
    }
}
@keyframes rotateCCW {
    from {
        transform: rotate(0);
    }
    to {
        transform: rotate(-360deg);
    }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}
.hero-content {
    position: relative;
    z-index: 2;
}
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    margin-bottom: 1.5rem;
}
.badge-dot {
    height: 0.5rem;
    width: 0.5rem;
    border-radius: 50%;
    background: #10b981;
    margin-right: 0.5rem;
    animation: pulse 2s infinite;
}
.badge-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: #fff;
}
@keyframes pulse {
    0%,
    100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

.hero-content h1 {
    font-size: clamp(34px, 6vw, 48px);
    font-weight: 800;
    color: #fff;
    margin-bottom: 24px;
    line-height: 1.1;
}
.hero-content p {
    font-size: clamp(16px, 2vw, 20px);
    color: #e0f2fe;
    margin-bottom: 28px;
    line-height: 1.7;
}

/* Score badge strip */
.hero-skor-strip {
    display: flex;
    gap: 10px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.hero-skor-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 14px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    transition: all 0.3s;
    white-space: nowrap;
}
.hero-skor-badge:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}
.hero-skor-num {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
}
.hero-skor-gold {
    background: rgba(251, 191, 36, 0.15);
    border-color: rgba(251, 191, 36, 0.35);
}
.hero-skor-gold .hero-skor-num {
    color: #fbbf24;
}
.hero-skor-gold:hover {
    background: rgba(251, 191, 36, 0.25);
    border-color: rgba(251, 191, 36, 0.5);
    box-shadow: 0 0 25px rgba(251, 191, 36, 0.25);
}

/* Image container — bordered box */
.hero-image-container {
    position: relative;
    height: 650px;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 3px solid rgba(96, 165, 250, 0.3);
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    box-shadow: 0 15px 35px rgba(96, 165, 250, 0.15);
    transform: translateZ(0);
    backface-visibility: hidden;
}
.hero-main-image {
    width: 100%;
    max-width: 620px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    animation: floatUpDown 7s cubic-bezier(0.42, 0, 0.58, 1) infinite;
    position: relative;
    z-index: 2;
    will-change: transform;
    backface-visibility: hidden;
}
@keyframes floatUpDown {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(0, -20px, 0);
    }
}

/* Floating geometric */
.floating-el {
    position: absolute;
    z-index: 1;
    animation-duration: 7s;
    animation-iteration-count: infinite;
    animation-timing-function: cubic-bezier(0.45, 0, 0.55, 1);
    will-change: transform;
}
.el-1 {
    width: 22%;
    height: 22%;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 24px;
    top: 3%;
    left: 2%;
    transform: rotate(45deg);
    animation-name: floatTL;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
}
.el-2 {
    width: 17%;
    height: 17%;
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    border-radius: 50%;
    bottom: 12%;
    left: 3%;
    animation-name: floatBL;
    box-shadow: 0 10px 30px rgba(96, 165, 250, 0.4);
}
.el-3 {
    width: 13%;
    height: 15%;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    border-radius: 16px;
    top: 8%;
    right: 7%;
    transform: rotate(15deg);
    animation-name: floatTR;
    box-shadow: 0 10px 30px rgba(251, 191, 36, 0.4);
}
.el-4 {
    width: 19%;
    height: 19%;
    background: linear-gradient(135deg, #1e40af, #1e3a8a);
    border-radius: 28px;
    bottom: 5%;
    right: 6%;
    transform: rotate(30deg);
    animation-name: floatBR;
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.4);
}
@keyframes floatTL {
    0%,
    100% {
        transform: translate3d(0, 0, 0) rotate(45deg);
    }
    50% {
        transform: translate3d(18px, 18px, 0) rotate(45deg);
    }
}
@keyframes floatBL {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(-18px, -18px, 0);
    }
}
@keyframes floatTR {
    0%,
    100% {
        transform: translate3d(0, 0, 0) rotate(15deg);
    }
    50% {
        transform: translate3d(-14px, 20px, 0) rotate(15deg);
    }
}
@keyframes floatBR {
    0%,
    100% {
        transform: translate3d(0, 0, 0) rotate(30deg);
    }
    50% {
        transform: translate3d(20px, -14px, 0) rotate(30deg);
    }
}

/* Chat bubbles */
.chat-bubble {
    position: absolute;
    background: linear-gradient(135deg, #fff, #f8fafc);
    border-radius: 20px;
    padding: 16px 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    z-index: 3;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}
.chat-bubble-1 {
    top: 120px;
    right: -30px;
    animation: floatChat1 10s ease-in-out infinite;
}
.chat-bubble-2 {
    bottom: 60px;
    left: -40px;
    animation: floatChat2 12s ease-in-out infinite;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 18px 24px;
    box-shadow: 0 8px 35px rgba(245, 158, 11, 0.4);
}
.chat-bubble-2 .chat-bubble-icon {
    color: #fff;
    font-size: 24px;
}
.chat-bubble-2 .chat-bubble-text {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
}
.chat-bubble-icon {
    font-size: 22px;
    color: #3b82f6;
    margin-right: 8px;
}
.chat-bubble-text {
    font-size: 14px;
    font-weight: 600;
    color: #1e40af;
}
@keyframes floatChat1 {
    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(-15px, 8px) scale(1.05);
    }
}
@keyframes floatChat2 {
    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(15px, -8px) scale(1.05);
    }
}

/* ============================================================
   TENTANG
   ============================================================ */
.tentang-card {
    max-width: 860px;
    margin: 0 auto;
    background: #fff;
    border-radius: 24px;
    padding: 48px 40px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    display: flex;
    gap: 40px;
    align-items: center;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
}
.tentang-card:hover {
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.12);
    border-color: var(--blue);
}
.tentang-photo-ring {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    padding: 4px;
    background: linear-gradient(135deg, var(--blue), var(--gold));
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.2);
}
.tentang-photo-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #fff;
}
.tentang-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}
.tentang-role {
    color: var(--blue);
    font-weight: 500;
    margin-bottom: 16px;
}
.tentang-bio {
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 24px;
}
.tentang-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}
.tentang-stat {
    padding: 8px 16px;
    background: #f0f6ff;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    color: #1e40af;
}

/* Sosmed di tentang */
.tentang-sosmed {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    justify-content: center;
}
.sosmed-link {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #f0f6ff;
    color: var(--blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s;
}
.sosmed-link:hover {
    background: var(--blue);
    color: #fff;
    transform: translateY(-2px);
}

/* Info box di tentang */
.tentang-info-box {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 24px;
    text-align: left;
}
.info-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
    color: #475569;
    border-bottom: 1px solid #f1f5f9;
}
.info-row:last-child {
    border-bottom: none;
}
.info-row span {
    font-size: 18px;
    flex-shrink: 0;
}

/* ============================================================
   SKOR (nyambung di tentang)
   ============================================================ */
.skor-header {
    text-align: center;
    margin: 60px auto 40px;
}
.skor-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 780px;
    margin: 0 auto;
}
.skor-card {
    text-align: center;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 36px 20px;
    transition: all 0.3s;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
}
.skor-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
    border-color: var(--blue);
}
.skor-card-gold {
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(251, 191, 36, 0.04);
}
.skor-card-gold:hover {
    border-color: var(--gold);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.15);
}
.skor-ring {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
}
.skor-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}
.ring-bg {
    fill: none;
    stroke: #e2e8f0;
    stroke-width: 6;
}
.ring-fill {
    fill: none;
    stroke: var(--blue);
    stroke-width: 6;
    stroke-linecap: round;
    stroke-dasharray: calc(2 * 3.14159 * 52);
    stroke-dashoffset: calc(2 * 3.14159 * 52 * (1 - var(--pct) / 100));
    transition: stroke-dashoffset 1.5s ease-out;
}
.ring-fill-gold {
    stroke: var(--gold);
}
.skor-num {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 800;
    color: #1e293b;
}
.skor-num-gold {
    color: var(--gold-dark);
}
.skor-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
    color: #1e293b;
}
.skor-card p {
    font-size: 14px;
    color: #64748b;
}

/* ============================================================
   KEUNGGULAN — 6 kartu, 3x2 grid
   ============================================================ */
.keunggulan-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.keunggulan-card {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 28px 24px;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px 2px rgba(94, 163, 250, 0.15);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}
.keunggulan-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(94, 163, 250, 0.25);
}
.keunggulan-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.5) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-25deg);
    transition: left 0.7s ease-in-out;
}
.keunggulan-card:hover::before {
    left: 150%;
}
.keunggulan-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}
.keunggulan-icon i {
    color: #fff;
    font-size: 24px;
}
.keunggulan-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1e3a5f;
    margin-bottom: 8px;
}
.keunggulan-card p {
    font-size: 14px;
    color: #556781;
    line-height: 1.6;
}

/* ============================================================
   TESTIMONI
   ============================================================ */
.testimoni-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}
.testimoni-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 28px 24px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
    transition: all 0.3s;
}
.testimoni-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
    border-color: var(--blue);
}
.testimoni-stars {
    font-size: 16px;
    margin-bottom: 12px;
}
.testimoni-text {
    font-size: 15px;
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}
.testimoni-author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.testimoni-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue), #818cf8);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.testimoni-author strong {
    display: block;
    font-size: 15px;
    color: #1e293b;
}
.testimoni-author span {
    font-size: 13px;
    color: var(--blue);
    font-weight: 500;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
    max-width: 820px;
    margin: 0 auto;
}
.faq-item {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 12px;
    transition: all 0.3s;
    overflow: hidden;
}
.faq-item:hover {
    border-color: var(--blue);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
}
.faq-item.active {
    border-color: var(--blue);
}
.faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 22px 24px;
    background: none;
    border: none;
    text-align: left;
    font-size: 18px;
    font-weight: 600;
    color: #2d3748;
    cursor: pointer;
}
.faq-q:hover {
    color: var(--blue);
}
.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s;
    color: var(--blue);
}
.faq-item.active .faq-icon {
    transform: rotate(45deg);
}
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.faq-item.active .faq-a {
    max-height: 500px;
}
.faq-a p {
    padding: 0 24px 24px;
    font-size: 16px;
    color: #4a5568;
    line-height: 1.8;
}

/* ============================================================
   CTA
   ============================================================ */
.cta {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
}
.cta-card {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
}
.cta-desc {
    color: #e0f2fe;
    margin-bottom: 32px;
    line-height: 1.7;
    font-size: 17px;
}
.cta-note {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 16px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: #0f172a;
    color: #cbd5e1;
    padding-top: 48px;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-brand p {
    margin-top: 8px;
    font-size: 14px;
}
.footer-links {
    display: flex;
    gap: 48px;
}
.footer-col h5 {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}
.footer-col li {
    margin-bottom: 8px;
}
.footer-col a {
    font-size: 14px;
    color: #cbd5e1;
    transition: color 0.2s;
}
.footer-col a:hover {
    color: var(--blue);
}
.footer-sosmed {
    display: flex;
    gap: 12px;
}
.footer-sosmed a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: all 0.3s;
}
.footer-sosmed a:hover {
    background: var(--blue);
    color: #fff;
    transform: translateY(-2px);
}
.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Floating WhatsApp */
.floating-wa {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9999;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s;
    animation: waBounce 2s ease-in-out infinite;
}
.floating-wa:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}
.floating-wa i {
    font-size: 30px;
    color: #fff;
    position: relative;
    z-index: 2;
}
.floating-wa-pulse {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid #25d366;
    animation: waPulse 2s ease-out infinite;
}
@keyframes waBounce {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-6px);
    }
}
@keyframes waPulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 28px;
    z-index: 9998;
    width: 44px;
    height: 44px;
    background: rgba(59, 130, 246, 0.9);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity 0.7s ease,
        transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-content {
        text-align: center;
        order: 2;
    }
    .hero-image-container {
        height: 460px;
        order: 1;
    }
    .hero-main-image {
        max-width: 420px;
    }
    .keunggulan-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .skor-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
}
@media (max-width: 768px) {
    .hero-skor-strip {
        justify-content: center;
        gap: 8px;
    }
    .hero-skor-badge {
        padding: 7px 12px;
        font-size: 12px;
        border-radius: 10px;
    }
    .hero-skor-num {
        font-size: 16px;
    }
    .testimoni-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    .nav-links,
    .navbar .btn {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .navbar.menu-open .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        padding: 16px 20px;
        gap: 16px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }
    .navbar.menu-open .nav-links a:after {
        display: none;
    }
    .navbar.menu-open .btn {
        display: flex;
        margin-top: 8px;
    }
    .hero {
        padding: 90px 20px 60px;
        min-height: auto;
    }
    .hero-content h1 {
        font-size: 30px;
    }
    .hero-content p {
        font-size: 16px;
    }
    .hero-buttons .btn-primary {
        width: 100%;
        justify-content: center;
    }
    .hero-image-container {
        height: 360px;
    }
    .hero-main-image {
        max-width: 330px;
    }
    .chat-bubble {
        padding: 12px 16px;
    }
    .tentang-card {
        flex-direction: column;
        text-align: center;
        padding: 32px 20px;
    }
    .tentang-stats {
        justify-content: center;
    }
    .keunggulan-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    .skor-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
    }
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
    .footer-links {
        justify-content: center;
    }
}
@media (max-width: 480px) {
    .hero-skor-strip {
        gap: 6px;
    }
    .hero-skor-badge {
        padding: 6px 10px;
        font-size: 11px;
        border-radius: 8px;
    }
    .hero-skor-num {
        font-size: 15px;
    }
    .hero-content h1 {
        font-size: 28px;
    }
    .hero-image-container {
        height: 290px;
    }
    .hero-main-image {
        max-width: 270px;
    }
}