/* ==========================================
   MAIKAI Corporate Site - Main Stylesheet
   ========================================== */

/* ==========================================
   1. CSS Reset & Base Styles
   ========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    
    /* Typography */
    --font-sans: 'Inter', 'Noto Sans JP', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-base: all 0.3s ease;
    --transition-slow: all 0.6s ease;
}

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

body {
    font-family: var(--font-sans);
    line-height: 1.7;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ==========================================
   2. Container & Grid
   ========================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
}

/* ==========================================
   3. Navigation
   ========================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    padding: 1.5rem 0;
    transition: var(--transition-base);
    color: var(--color-white);
    background-color: transparent;
}

.nav.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    color: var(--color-black);
    padding: 1rem 0;
}

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

.nav-logo {
    z-index: 10000;
}

.logo-img {
    height: 50px;
    width: auto;
    transition: var(--transition-base);
}

.nav.scrolled .logo-img {
    height: 40px;
}

.nav-menu {
    display: flex;
    gap: 3rem;
}

.nav-link {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.9;
    transition: var(--transition-base);
    position: relative;
}

.nav-link:hover {
    opacity: 0.6;
}

/* Dropdown Menu */
.nav-item {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 1rem;
    background-color: var(--color-white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 10001;
}

.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    margin-top: 0.5rem;
}

.nav-dropdown-link {
    display: block;
    padding: 1rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-black);
    transition: var(--transition-base);
    border-bottom: 1px solid var(--color-gray-200);
}

.nav-dropdown-link:last-child {
    border-bottom: none;
}

.nav-dropdown-link:hover {
    background-color: var(--color-gray-100);
    padding-left: 2rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    z-index: 10002;
}

.hamburger {
    width: 30px;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition-base);
}

.nav.scrolled .hamburger {
    background-color: var(--color-black);
}

.nav-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.nav-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 55%;
    height: 100vh;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.85) 0%, rgba(26, 26, 26, 0.85) 100%);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

.mobile-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(255, 255, 255, 0.03) 2px,
        rgba(255, 255, 255, 0.03) 4px
    );
    pointer-events: none;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-link {
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
    padding: 0.75rem 0;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.mobile-menu-link::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #FFD700, #FFA500);
    transition: width 0.3s ease;
}

.mobile-menu-link:hover {
    color: #FFD700;
    padding-left: 0.5rem;
}

.mobile-menu-link:hover::before {
    width: 100%;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
}

/* ==========================================
   4. Hero Section
   ========================================== */

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: var(--color-black);
    padding-top: 60px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1497366216548-37526070297c?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') center/cover no-repeat;
    opacity: 0.4;
    filter: grayscale(100%);
    animation: pulse-slow 20s ease-in-out infinite;
}

@keyframes pulse-slow {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.8));
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--color-white);
    padding: 0 1rem;
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.hero-title-gradient {
    background: linear-gradient(to right, #ffffff, #a3a3a3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(0.875rem, 2vw, 1.25rem);
    font-weight: 300;
    letter-spacing: 0.2em;
    color: var(--color-gray-300);
    margin-bottom: 3rem;
}

.hero-scroll {
    display: flex;
    justify-content: center;
    margin-top: 4rem;
}

.scroll-line {
    width: 1px;
    height: 80px;
    background-color: var(--color-white);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(20px); opacity: 0.5; }
}

/* ==========================================
   5. Section Styles
   ========================================== */

.section {
    padding: 6rem 0;
}

.section-gray {
    background-color: var(--color-gray-100);
}

.section-dark {
    background-color: var(--color-gray-900);
    color: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.section-title-large {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 0.875rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-gray-500);
}

.title-underline {
    width: 80px;
    height: 4px;
    background-color: var(--color-black);
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .hero {
        height: 100vh;
        min-height: 600px;
        padding-top: 100px;
        align-items: flex-start;
        padding-top: calc(80px + 10vh);
    }
    
    .hero-content {
        padding: 0 1rem;
        margin-top: 10vh;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 0.875rem;
        margin-bottom: 2rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-title-large {
        font-size: 1.75rem;
    }
}

/* ==========================================
   6. Vision Section
   ========================================== */

.vision-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: flex-start;
}

.vision-headline {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 2rem;
}

.vision-text {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--color-gray-600);
    margin-bottom: 1.5rem;
    text-align: justify;
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    border-bottom: 2px solid var(--color-black);
    padding-bottom: 0.25rem;
    margin-top: 1rem;
    transition: var(--transition-base);
}

.btn-link:hover {
    color: var(--color-gray-600);
    border-color: var(--color-gray-600);
}

@media (max-width: 768px) {
    .vision-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .vision-left {
        text-align: center;
    }
    
    .vision-left img {
        margin: 0 auto 4rem !important;
        max-width: 200px !important;
        display: block !important;
    }
    
    .vision-left h2 {
        text-align: left !important;
    }
    
    .section-title-large {
        text-align: left;
    }
    
    .title-underline {
        margin-left: 0;
    }
    
    .vision-headline {
        font-size: 1.5rem;
        line-height: 1.6;
        text-align: left;
    }
    
    .vision-text {
        font-size: 0.875rem;
        line-height: 1.8;
        text-align: left;
    }
}

/* ==========================================
   7. Service Cards
   ========================================== */

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: stretch;
}

.service-card {
    background-color: var(--color-white);
    padding: 3rem 2.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card .btn {
    margin-top: auto;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--color-black);
    transition: var(--transition-base);
}

.service-card-primary::before {
    background-color: var(--color-black);
}

.service-card-secondary::before {
    background-color: var(--color-gray-600);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 64px;
    height: 64px;
    background-color: var(--color-gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    transition: var(--transition-base);
}

.service-card:hover .service-icon {
    background-color: var(--color-black);
    color: var(--color-white);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.service-price {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: 1rem;
}

.price-large {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-black);
}

.service-description {
    font-size: 0.875rem;
    line-height: 1.8;
    color: var(--color-gray-600);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.service-features li {
    font-size: 0.875rem;
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.service-features i {
    color: var(--color-black);
    font-size: 0.75rem;
}

.service-note {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    text-align: center;
    margin-top: auto;
    margin-bottom: 1rem;
    min-height: 1.5rem;
}

/* Kiwami Plan Banner */
.kiwami-plan-banner {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 20px;
    padding: 3rem 2rem;
    margin-bottom: 4rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.kiwami-plan-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.kiwami-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: #FFD700;
    color: #1a1a1a;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin: 0 auto 1.5rem;
    width: fit-content;
}

.kiwami-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.kiwami-title {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.kiwami-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    font-weight: 500;
}

.kiwami-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.kiwami-includes {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.kiwami-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.kiwami-plus {
    font-size: 1.5rem;
    color: #FFD700;
}

.kiwami-pricing {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    justify-content: center;
}

.kiwami-price-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.kiwami-price {
    font-size: 3.5rem;
    font-weight: 900;
    color: #FFD700;
    line-height: 1;
}

.kiwami-price-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.kiwami-description {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.kiwami-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.kiwami-btn {
    padding: 1.25rem 2.5rem;
    font-size: 1rem;
}

@media (max-width: 768px) {
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .kiwami-plan-banner {
        padding: 2rem 1.5rem;
    }
    
    .kiwami-content {
        text-align: center;
    }
    
    .kiwami-badge {
        display: flex;
        margin: 0 auto 1.5rem;
        width: fit-content;
    }
    
    .kiwami-title {
        font-size: 2rem;
        text-align: center;
    }
    
    .kiwami-subtitle {
        font-size: 1rem;
        text-align: center;
    }
    
    .kiwami-pricing {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    
    .kiwami-price-label {
        font-size: 0.875rem;
    }
    
    .kiwami-price {
        font-size: 2.5rem;
        line-height: 1;
    }
    
    .kiwami-price-note {
        font-size: 0.875rem;
    }
    
    .kiwami-item {
        font-size: 0.6875rem;
        padding: 0.5rem 0.75rem;
        white-space: nowrap;
    }
    
    .kiwami-description {
        font-size: 0.6875rem;
        line-height: 1.6;
        padding: 0 0.5rem;
        letter-spacing: -0.02em;
    }
    
    .kiwami-includes {
        flex-direction: column;
        gap: 1rem;
    }
    
    .kiwami-plus {
        transform: rotate(90deg);
    }
    
    .kiwami-buttons {
        flex-direction: column;
    }
    
    .kiwami-btn {
        width: 100%;
        justify-content: center;
    }
    
    .btn {
        justify-content: center;
    }
    
    .service-description {
        font-size: 0.6875rem;
        line-height: 1.7;
        letter-spacing: -0.03em;
        padding: 0 0.5rem;
    }
    
    .service-features li {
        font-size: 0.6875rem;
        letter-spacing: -0.02em;
        line-height: 1.6;
    }
}

/* ==========================================
   8. Buttons
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 2px solid transparent;
    transition: var(--transition-base);
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--color-gray-800);
    transform: translateX(5px);
}

.btn-secondary {
    background-color: var(--color-gray-600);
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-gray-700);
    transform: translateX(5px);
}

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

.btn-outline:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

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

.btn-white:hover {
    background-color: var(--color-gray-100);
}

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

.btn-outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-black);
}

/* ==========================================
   9. Campaign Banner
   ========================================== */

.campaign-banner {
    background: linear-gradient(135deg, var(--color-black), var(--color-gray-800));
    color: var(--color-white);
    padding: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.campaign-badge {
    display: inline-block;
    background-color: var(--color-white);
    color: var(--color-black);
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    padding: 0.5rem 1.5rem;
    margin-bottom: 1rem;
}

.campaign-title {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.campaign-text {
    font-size: 1.25rem;
    text-align: center;
    line-height: 1.8;
}

.campaign-price-old {
    text-decoration: line-through;
    color: var(--color-gray-400);
}

.campaign-price-new {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-white);
}

.campaign-arrow {
    font-size: 1.5rem;
}

.campaign-note {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    margin-top: 1rem;
}

/* ==========================================
   10. Parallax Section
   ========================================== */

.parallax-section {
    position: relative;
    height: 60vh;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') center/cover no-repeat fixed;
    display: flex;
    align-items: center;
    justify-content: center;
}

.parallax-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
}

.parallax-content {
    position: relative;
    z-index: 10;
    color: var(--color-white);
}

.philosophy-content {
    border-left: 4px solid var(--color-white);
    padding-left: 3rem;
}

.philosophy-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 2rem;
}

.philosophy-text {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 300;
    line-height: 1.8;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .parallax-section {
        height: 50vh;
        background-attachment: scroll;
    }
    
    .philosophy-content {
        padding-left: 1.5rem;
    }
}

/* ==========================================
   11. Company Section
   ========================================== */

.company-brief {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.company-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin: 3rem 0;
    text-align: left;
}

.company-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.company-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.company-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gray-500);
    margin-bottom: 0.5rem;
}

.company-value {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.8;
}

.mt-40 {
    margin-top: 2.5rem;
}

.text-center {
    text-align: center;
}

/* ==========================================
   12. Contact CTA
   ========================================== */

.contact-cta {
    text-align: center;
}

.contact-title {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    margin-bottom: 1.5rem;
}

.contact-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-gray-400);
    margin-bottom: 3rem;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .contact-title {
        font-size: 2rem;
    }
    
    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-buttons .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

/* ==========================================
   13. Footer
   ========================================== */

.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: 3rem 0;
    border-top: 1px solid var(--color-gray-800);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo-img {
    height: 40px;
    width: auto;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.2em;
}

.footer-copy {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--color-gray-500);
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-copy {
        line-height: 1.8;
    }
}

/* ==========================================
   14. Animation Classes
   ========================================== */

.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-400 {
    transition-delay: 0.4s;
}

.delay-600 {
    transition-delay: 0.6s;
}

/* ==========================================
   15. Utility Classes
   ========================================== */

.mb-10 { margin-bottom: 0.625rem; }
.mb-20 { margin-bottom: 1.25rem; }
.mb-30 { margin-bottom: 1.875rem; }
.mb-40 { margin-bottom: 2.5rem; }

.mt-10 { margin-top: 0.625rem; }
.mt-20 { margin-top: 1.25rem; }
.mt-30 { margin-top: 1.875rem; }
.mt-40 { margin-top: 2.5rem; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }