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

:root {
    --primary-orange: #ffb156;
    --primary-dark: #3a3a3a;
    --text-gray: #727272;
    --alert-red: #ff3344;
    --white: #ffffff;
    --bg-light: #f9f9f9;
    --bg-dark: #1a1a1a;
    --border-light: #e0e0e0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-gray);
    background-color: var(--white);
}

a {
    color: var(--primary-orange);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #e09a40;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.highlight {
    color: var(--primary-orange);
}

/* Header */
.header {
    background: var(--white);
    padding: 15px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo img {
    height: 70px;
    width: auto;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav a {
    color: var(--primary-dark);
    font-weight: 500;
    padding: 10px 0;
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-orange);
    transition: width 0.3s ease;
}

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

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

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-dark) 0%, #2d2d2d 100%);
    color: var(--white);
    padding: 150px 0 80px;
    text-align: center;
}

.hero-welcome {
    font-size: 18px;
    color: var(--primary-orange);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero h1 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--white);
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
}

.hero-alert {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 51, 68, 0.15);
    border: 1px solid var(--alert-red);
    padding: 15px 30px;
    border-radius: 50px;
    margin-bottom: 30px;
}

.alert-icon {
    font-size: 24px;
}

.hero-alert p {
    font-size: 18px;
    color: var(--white);
}

.hero-alert strong {
    color: var(--primary-orange);
}

.hero-seo-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
}

.hero-seo-text a {
    color: var(--primary-orange);
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary-orange);
    color: var(--white);
}

.btn-primary:hover {
    background: #e09a40;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 177, 86, 0.4);
}

/* Process Section */
.process-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: 60px;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.step {
    background: var(--white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.step-highlight {
    background: linear-gradient(135deg, var(--primary-orange) 0%, #ffc87a 100%);
    color: var(--white);
}

.step-highlight .step-number {
    background: var(--white);
    color: var(--primary-orange);
}

.step-highlight h3,
.step-highlight p {
    color: var(--white);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-orange);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
}

.step h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-dark);
}

.step-content {
    margin-bottom: 25px;
}

.step-content p {
    font-size: 15px;
    line-height: 1.7;
    color: #4a4a4a;
}

.step-list {
    list-style: none;
    margin-top: 15px;
}

.step-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    font-size: 14px;
    color: #4a4a4a;
}

.step-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-orange);
    font-weight: bold;
}

.step-highlight .step-list li::before {
    color: var(--white);
}

/* Progress Bar */
.progress-bar {
    background: #e0e0e0;
    border-radius: 10px;
    height: 12px;
    position: relative;
    overflow: hidden;
}

.progress {
    background: linear-gradient(90deg, var(--primary-orange), #ffc87a);
    height: 100%;
    border-radius: 10px;
    transition: width 0.5s ease;
}

.progress-text {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    font-weight: 700;
    color: var(--white);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Gallery Box */
.gallery-box {
    background: var(--white);
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
}

.gallery-box h3 {
    font-size: 28px;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.gallery-box p {
    font-size: 16px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: #4a4a4a;
}

/* App Section */
.app-section {
    padding: 100px 0;
    background: var(--white);
}

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

.cta-box {
    text-align: center;
    margin-top: 40px;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.contact-card h3 {
    font-size: 18px;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.contact-card a {
    font-size: 14px;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 18px;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-col p {
    font-size: 14px;
    line-height: 1.7;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-col ul a:hover {
    color: var(--primary-orange);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-orange);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .steps-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 2px 0;
    }

    .logo img {
        height: 90px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 20px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        opacity: 0;
        transition: all 0.3s ease;
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav ul {
        flex-direction: column;
        gap: 15px;
    }

    .nav a {
        display: block;
        padding: 15px;
        text-align: center;
        background: var(--bg-light);
        border-radius: 10px;
    }

    .hero {
        padding: 130px 0 60px;
    }

    .hero h1 {
        font-size: 26px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-alert {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .section-title {
        font-size: 24px;
    }

    .process-section {
        padding: 60px 0 40px;
    }

    .gallery-box {
        padding: 30px 20px;
    }

    .gallery-box h3 {
        font-size: 22px;
    }

    .step {
        padding: 25px 20px;
    }

    .app-section {
        padding: 40px 0 60px;
    }

    .steps-container {
        margin-bottom: 30px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 22px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .btn {
        padding: 12px 25px;
        font-size: 14px;
    }
}

/* Menu Toggle Animation */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}