/* ============================================
   GRAFENHAUS - Premium Planner Website Styles
   ============================================ */

/* ============================================
   CSS VARIABLES - BRAND COLORS & FONTS
   ============================================ */
:root {
    /* Brand Colors */
    --primary-navy: #2C3E50;
    --coral-accent: #E74C3C;
    --forest-green: #27AE60;
    --gold: #F39C12;
    --light-gray: #ECF0F1;
    --white: #FFFFFF;
    --dark-gray: #34495E;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;

    /* Fonts */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-max-width: 1200px;

    /* Transitions */
    --transition-smooth: all 0.3s ease;
    --transition-fast: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-navy);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.8rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.3rem; }

p {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: var(--section-padding);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border: none;
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(231, 76, 60, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-navy);
    transform: translateY(-2px);
}

.btn-coral {
    background-color: var(--coral-accent);
    color: var(--white);
}

.btn-coral:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(231, 76, 60, 0.3);
}

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

.btn-white:hover {
    background-color: var(--light-gray);
}

.btn-large {
    padding: 18px 42px;
    font-size: 1.1rem;
}

.btn-disabled {
    background-color: var(--light-gray);
    color: var(--text-light);
    cursor: not-allowed;
}

.btn-disabled:hover {
    transform: none;
    box-shadow: none;
}

.btn-nav {
    background-color: var(--coral-accent);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
}

.btn-nav:hover {
    background-color: #c0392b;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-navy);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-links li a {
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition-fast);
}

.nav-links li a:hover {
    color: var(--coral-accent);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-navy);
    transition: var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--dark-gray) 100%);
    color: var(--white);
    text-align: center;
    padding-top: 80px;
    overflow: hidden;
}

/* Optional: Add pattern overlay */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(255,255,255,.03) 35px, rgba(255,255,255,.03) 70px);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 62, 80, 0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-title {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--light-gray);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-indicator a {
    color: var(--white);
    font-size: 2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Fade-in Animations */
.fade-in {
    animation: fadeIn 1s ease-in;
}

.fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s backwards;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s backwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   SECTION TITLES
   ============================================ */
.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 60px;
    color: var(--primary-navy);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--coral-accent);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background-color: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.about-card {
    text-align: center;
    padding: 40px 30px;
    background-color: var(--light-gray);
    border-radius: 15px;
    transition: var(--transition-smooth);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.about-icon {
    font-size: 3rem;
    color: var(--coral-accent);
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-navy);
}

.about-card p {
    font-size: 1rem;
    color: var(--text-light);
}

.about-story {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.15rem;
    line-height: 1.9;
    color: var(--text-dark);
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */
.products {
    background-color: var(--light-gray);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.product-card {
    background-color: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-smooth);
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--gold);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 2;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-image {
    position: relative;
    height: 350px;
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--dark-gray) 100%);
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(44, 62, 80, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.coming-soon-text {
    color: var(--white);
    font-size: 1.3rem;
    font-weight: 600;
}

.product-info {
    padding: 30px;
}

.product-info h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: var(--primary-navy);
}

.product-features {
    margin-bottom: 25px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--text-light);
}

.product-features i {
    color: var(--forest-green);
    font-size: 0.9rem;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--light-gray);
}

.product-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--coral-accent);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    background-color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.feature-item {
    text-align: center;
    padding: 40px 20px;
    background-color: var(--light-gray);
    border-radius: 15px;
    transition: var(--transition-smooth);
}

.feature-item:hover {
    background-color: var(--primary-navy);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-item:hover i,
.feature-item:hover h4,
.feature-item:hover p {
    color: var(--white);
}

.feature-item i {
    font-size: 3rem;
    color: var(--coral-accent);
    margin-bottom: 20px;
    transition: var(--transition-smooth);
}

.feature-item h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-navy);
    transition: var(--transition-smooth);
}

.feature-item p {
    font-size: 0.95rem;
    color: var(--text-light);
    transition: var(--transition-smooth);
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    background-color: var(--light-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background-color: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-smooth);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.stars {
    color: var(--gold);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1.05rem;
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 25px;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 1.3rem;
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 3px;
}

.author-info span {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
    background: linear-gradient(135deg, var(--coral-accent) 0%, #c0392b 100%);
    color: var(--white);
    text-align: center;
    padding: 120px 0;
}

.cta-title {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-buttons {
    margin-bottom: 30px;
}

.social-follow {
    margin-top: 30px;
}

.social-follow p {
    font-size: 1.1rem;
    color: var(--white);
}

.social-follow a {
    color: var(--white);
    font-weight: 600;
    text-decoration: underline;
}

.social-follow a:hover {
    opacity: 0.8;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background-color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 30px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.05rem;
}

.contact-item i {
    color: var(--coral-accent);
    font-size: 1.3rem;
}

.contact-item a:hover {
    color: var(--coral-accent);
}

/* Contact Form */
.contact-form {
    background-color: var(--light-gray);
    padding: 40px;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid transparent;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    background-color: var(--white);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--coral-accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--primary-navy);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.footer-tagline {
    color: var(--light-gray);
    font-size: 0.95rem;
    margin-bottom: 25px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--coral-accent);
    transform: translateY(-3px);
}

.footer-section h4 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--light-gray);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--coral-accent);
    padding-left: 5px;
}

.footer-links span {
    color: var(--light-gray);
    font-size: 0.95rem;
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--coral-accent);
    color: var(--white);
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #c0392b;
    transform: translateY(-5px);
}

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

/* Tablets */
@media (max-width: 992px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2.2rem; }
    h3 { font-size: 1.5rem; }

    .hero-title {
        font-size: 3rem;
    }

    .nav-links {
        position: fixed;
        top: 75px;
        left: -100%;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        padding: 30px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        transition: var(--transition-smooth);
        align-items: flex-start;
    }

    .nav-links.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

/* Mobile Phones */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }

    .hero {
        min-height: 80vh;
        padding-top: 100px;
    }

    .hero-title {
        font-size: 2.3rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-large {
        padding: 16px 36px;
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    .about-grid,
    .products-grid,
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .product-image {
        height: 280px;
    }

    .cta {
        padding: 80px 0;
    }

    .cta-title {
        font-size: 2rem;
    }

    .cta-subtitle {
        font-size: 1.1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.9rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .btn-large {
        padding: 14px 28px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }