/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --orange-primary: #f97316;
    --orange-dark: #ea580c;
    --orange-light: #ffedd5;
    --orange-glow: rgba(249, 115, 22, 0.3);
    --white: #ffffff;
    --gray-50: #fafaf9;
    --gray-100: #f5f5f4;
    --gray-200: #e7e5e4;
    --gray-600: #57534e;
    --gray-800: #292524;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 30px 80px rgba(249, 115, 22, 0.15);
    --radius: 24px;
    --radius-sm: 12px;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--white);
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--gray-100);
}
::-webkit-scrollbar-thumb {
    background: var(--orange-primary);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--orange-dark);
}

/* ===== UTILITY ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 80px 0;
}

.text-gradient {
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-dark));
    color: var(--white);
    font-weight: 700;
    font-size: 1.05rem;
    border: none;
    border-radius: 60px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(249, 115, 22, 0.35);
    text-decoration: none;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--orange-dark), var(--orange-primary));
    opacity: 0;
    transition: var(--transition);
    border-radius: 60px;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(249, 115, 22, 0.5);
}

.btn-primary:hover::after {
    opacity: 1;
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

.btn-primary i {
    position: relative;
    z-index: 1;
    font-size: 1.1rem;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(249, 115, 22, 0.08);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
}

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

.navbar .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--gray-800);
    text-decoration: none;
}

.navbar .logo .logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-dark));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 800;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.navbar .logo span {
    color: var(--orange-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--orange-primary);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--orange-primary);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 10px 24px;
    background: var(--orange-primary);
    color: var(--white) !important;
    border-radius: 60px;
    font-weight: 700 !important;
    transition: var(--transition);
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--orange-dark) !important;
    transform: scale(1.05);
    color: var(--white) !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--gray-800);
    border-radius: 10px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO ===== */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    background: linear-gradient(170deg, var(--white) 0%, var(--orange-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.4rem;
    font-weight: 900;
    line-height: 1.12;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-content h1 .highlight {
    background: linear-gradient(135deg, var(--orange-primary), #b45309);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 500px;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 32px;
}

.hero-badges .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--white);
    border-radius: 60px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-600);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(249, 115, 22, 0.1);
}

.hero-badges .badge i {
    color: var(--orange-primary);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}

.hero-actions .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border: 2px solid var(--orange-primary);
    color: var(--orange-primary);
    font-weight: 700;
    border-radius: 60px;
    text-decoration: none;
    transition: var(--transition);
    background: transparent;
}

.hero-actions .btn-outline:hover {
    background: var(--orange-primary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(249, 115, 22, 0.25);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-image .illustration {
    width: 100%;
    max-width: 500px;
    background: linear-gradient(145deg, var(--white), var(--orange-light));
    border-radius: var(--radius);
    padding: 40px 30px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(249, 115, 22, 0.1);
    text-align: center;
    transition: var(--transition);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-12px);
    }
}

.hero-image .illustration .icon-big {
    font-size: 5rem;
    color: var(--orange-primary);
    margin-bottom: 16px;
    display: block;
}

.hero-image .illustration h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.hero-image .illustration p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.hero-image .floating-card {
    position: absolute;
    background: var(--white);
    padding: 14px 22px;
    border-radius: var(--radius-sm);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: float 4s ease-in-out infinite;
    border: 1px solid rgba(249, 115, 22, 0.06);
}

.hero-image .floating-card:nth-child(2) {
    top: 10%;
    right: -8%;
    animation-delay: 1s;
}

.hero-image .floating-card:nth-child(3) {
    bottom: 15%;
    left: -8%;
    animation-delay: 2s;
}

.hero-image .floating-card i {
    color: var(--orange-primary);
    font-size: 1.2rem;
}

/* ===== STATS ===== */
.stats {
    background: var(--white);
    border-top: 1px solid rgba(249, 115, 22, 0.06);
    border-bottom: 1px solid rgba(249, 115, 22, 0.06);
}

.stats .container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    padding: 50px 24px;
}

.stats .stat-item {
    text-align: center;
}

.stats .stat-item .number {
    font-size: 2.6rem;
    font-weight: 900;
    color: var(--orange-primary);
    display: block;
}

.stats .stat-item .label {
    font-size: 0.95rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* ===== INFO SECTION (Google Drive) ===== */
#info {
    background: var(--gray-50);
}

#info .section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

#info .section-header h2 {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 12px;
}

#info .section-header p {
    color: var(--gray-600);
    font-size: 1.1rem;
}

.drive-wrapper {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid rgba(249, 115, 22, 0.06);
    transition: var(--transition);
}

.drive-wrapper:hover {
    box-shadow: var(--shadow-hover);
}

.drive-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    flex-wrap: wrap;
    gap: 12px;
}

.drive-toolbar .left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.drive-toolbar .left i {
    color: var(--orange-primary);
    font-size: 1.4rem;
}

.drive-toolbar .left span {
    font-weight: 700;
    font-size: 1rem;
}

.drive-toolbar .right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.drive-toolbar .right input {
    padding: 8px 16px;
    border: 1px solid var(--gray-200);
    border-radius: 60px;
    font-size: 0.9rem;
    width: 280px;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.drive-toolbar .right input:focus {
    border-color: var(--orange-primary);
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.1);
}

.drive-toolbar .right .btn-sm {
    padding: 8px 20px;
    background: var(--orange-primary);
    color: var(--white);
    border: none;
    border-radius: 60px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
}

.drive-toolbar .right .btn-sm:hover {
    background: var(--orange-dark);
    transform: scale(1.03);
}

.drive-embed {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 */
    height: 0;
    background: var(--gray-100);
}

.drive-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.drive-embed .placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    gap: 12px;
    background: var(--gray-50);
}

.drive-embed .placeholder i {
    font-size: 3.5rem;
    color: var(--orange-primary);
    opacity: 0.5;
}

.drive-embed .placeholder p {
    font-weight: 500;
}

/* ===== REGISTER SECTION ===== */
#daftar {
    background: linear-gradient(170deg, var(--white) 0%, var(--orange-light) 100%);
    position: relative;
    overflow: hidden;
}

#daftar::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

#daftar .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.register-content h2 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
}

.register-content p {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 32px;
    max-width: 480px;
}

.register-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 36px;
}

.register-features .feature {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 500;
}

.register-features .feature i {
    width: 32px;
    height: 32px;
    background: var(--orange-light);
    color: var(--orange-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.register-card {
    background: var(--white);
    padding: 40px 36px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(249, 115, 22, 0.06);
    transition: var(--transition);
}

.register-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.register-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.register-card .sub {
    color: var(--gray-600);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.register-card .btn-primary {
    width: 100%;
    justify-content: center;
    padding: 18px;
    font-size: 1.1rem;
}

.register-card .btn-primary i {
    font-size: 1.2rem;
}

.register-card .note {
    text-align: center;
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--gray-600);
}

/* ===== WHATSAPP FLOATING BUTTON ===== */
.wa-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 68px;
    height: 68px;
    background: #25d366;
    color: var(--white);
    border-radius: 50%;
    font-size: 2.2rem;
    box-shadow: 0 8px 40px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    text-decoration: none;
    animation: pulse-wa 2.5s ease-in-out infinite;
}

.wa-float:hover {
    transform: scale(1.12) rotate(-5deg);
    box-shadow: 0 12px 50px rgba(37, 211, 102, 0.55);
}

.wa-float .tooltip {
    position: absolute;
    right: 80px;
    background: var(--gray-800);
    color: var(--white);
    padding: 8px 18px;
    border-radius: 60px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.wa-float:hover .tooltip {
    opacity: 1;
}

@keyframes pulse-wa {
    0%,
    100% {
        box-shadow: 0 8px 40px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 8px 60px rgba(37, 211, 102, 0.7);
    }
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gray-800);
    color: var(--gray-200);
    padding: 50px 0 30px;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--white);
}

.footer .brand .logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-dark));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 800;
}

.footer .brand span {
    color: var(--orange-primary);
}

.footer p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.footer .socials {
    display: flex;
    gap: 16px;
}

.footer .socials a {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-200);
    transition: var(--transition);
    text-decoration: none;
}

.footer .socials a:hover {
    background: var(--orange-primary);
    color: var(--white);
    transform: translateY(-3px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-badges {
        justify-content: center;
    }

    .hero-image .floating-card {
        display: none;
    }

    #daftar .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .register-content p {
        margin-left: auto;
        margin-right: auto;
    }

    .register-features {
        align-items: center;
    }

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

    .drive-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .drive-toolbar .right input {
        width: 100%;
    }

    .drive-toolbar .right {
        flex-wrap: wrap;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 20px;
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.08);
        transition: var(--transition);
        align-items: flex-start;
    }

    .nav-links.open {
        right: 0;
    }

    .nav-links a {
        font-size: 1.1rem;
    }

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

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .register-content h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 576px) {
    .section-padding {
        padding: 50px 0;
    }

    .hero {
        padding-top: 110px;
        padding-bottom: 50px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-outline {
        width: 100%;
        justify-content: center;
    }

    .stats .container {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        padding: 30px 16px;
    }

    .stats .stat-item .number {
        font-size: 2rem;
    }

    #info .section-header h2 {
        font-size: 2rem;
    }

    .register-card {
        padding: 28px 20px;
    }

    .register-content h2 {
        font-size: 1.8rem;
    }

    .wa-float {
        width: 56px;
        height: 56px;
        font-size: 1.8rem;
        bottom: 20px;
        right: 20px;
    }

    .wa-float .tooltip {
        display: none;
    }

    .footer .container {
        flex-direction: column;
        text-align: center;
    }
}