/* ============================================
   MAN KHUE - Food Photography Website
   Premium Black Silver Design System
   ============================================ */

/* Import Google Fonts - Manrope */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700&display=swap');

/* ============================================
   CSS Variables - Premium Black Silver Theme
   ============================================ */
:root {
    /* Premium Black Silver Colors */
    --color-bg-dark: #0a0a0a;            /* Main background - deep black */
    --color-bg-secondary: #1a1a1a;       /* Secondary background */
    --color-bg-card: linear-gradient(145deg, #2c2c2c 0%, #000000 50%, #434343 100%);
    --color-border: rgba(255, 255, 255, 0.1);  /* Subtle silver border */
    --color-border-hover: rgba(255, 255, 255, 0.3);
    --color-card: #151515;               /* Card background */
    
    /* Text Colors */
    --color-white: #FFFFFF;              /* Primary text */
    --color-text-90: #E5E5E7;            /* Grey/90 - Headings */
    --color-text-80: #CACACE;            /* Grey/80 - Subheadings */
    --color-text-70: #888888;            /* Grey/70 - Body text - silver tone */
    --color-text-50: #666666;            /* Grey/50 - Labels */
    
    /* Accent Colors - Silver Theme */
    --color-accent: #bdc3c7;             /* Silver accent */
    --color-accent-hover: #ecf0f1;       /* Lighter silver on hover */
    --color-accent-dark: #7f8c8d;        /* Darker silver */
    
    /* Gradient - Phối màu Studio */
    --gradient-silver: linear-gradient(145deg, #2c2c2c 0%, #000000 50%, #434343 100%);
    --gradient-header: linear-gradient(145deg, #2c2c2c 0%, #000000 50%, #434343 100%);
    --gradient-shine: linear-gradient(45deg, transparent, rgba(255,255,255,0.05), transparent);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 100px;
    
    /* Shadows - Deep Premium */
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.8);
    --shadow-glow: 0 0 15px rgba(255,255,255,0.2);
    --shadow-inset: inset 0 1px 1px rgba(255, 255, 255, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   Reset CSS
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Manrope', sans-serif;
    background-color: var(--color-bg-dark);
    color: var(--color-text-70);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

/* ============================================
   Navbar Styles - Premium Silver
   ============================================ */
.navbar {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: 0 125px;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.sticky {
    box-shadow: var(--shadow-lg);
    border-bottom-color: var(--color-border-hover);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 30px 40px;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    position: relative;
}

/* Left: Hamburger Toggle */
.navbar-left {
    flex: 0 0 auto;
}

.hamburger-btn {
    background: #1a1a1a;
    border: 1px solid var(--color-border);
    cursor: pointer;
    color: var(--color-white);
    padding: 12px;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
}

.hamburger-btn:hover {
    background: var(--color-white);
    color: #000;
    border-color: var(--color-border-hover);
}

.hamburger-icon {
    display: block;
    width: 20px;
    height: 2px;
    background-color: currentColor;
    position: relative;
    transition: background-color var(--transition-fast);
}

.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background-color: currentColor;
    transition: transform var(--transition-fast);
}

.hamburger-icon::before {
    top: -6px;
}

.hamburger-icon::after {
    bottom: -6px;
}

/* Center: Logo */
.navbar-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.navbar-logo {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-white);
    text-decoration: none;
    letter-spacing: 4px;
    text-transform: uppercase;
    transition: all var(--transition-normal);
}

.navbar-logo:hover {
    color: var(--color-accent);
    text-shadow: 0 0 20px rgba(255,255,255,0.3);
}

/* Right: Contact Info */
.navbar-right {
    flex: 0 0 auto;
    display: flex;
    gap: var(--spacing-md);
}

.navbar-contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    color: var(--color-text-70);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.navbar-contact:hover {
    color: var(--color-accent);
}

.navbar-contact-icon {
    font-size: 0.875rem;
    color: var(--color-accent);
}

/* Contact Me Button */
.btn-contact {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    gap: 10px;
    background: var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-weight: 500;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.btn-contact:hover {
    background: var(--color-accent);
    color: var(--color-bg-dark);
}

/* ============================================
   Header Menu (PC Only)
   ============================================ */
.header-menu {
    background-color: var(--color-bg-dark);
    padding: 0 125px;
    display: block;
}

.header-menu-container {
    display: flex;
    justify-content: center;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
}

.header-menu-wrapper {
    display: flex;
    border: 1px solid var(--color-border);
    border-bottom: none;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
}

.header-menu-list {
    display: flex;
    margin: 0;
    padding: 0;
}

.header-menu-item {
    margin: 0;
}

.header-menu-link {
    display: flex;
    align-items: center;
    padding: 30px 50px;
    color: var(--color-text-70);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.125rem;
    transition: all var(--transition-fast);
    border-right: 1px solid var(--color-border);
    background: transparent;
}

.header-menu-link:hover,
.header-menu-link.active {
    color: var(--color-white);
    background: var(--color-bg-secondary);
}

.header-menu-item:last-child .header-menu-link {
    border-right: none;
}

/* ============================================
   Sidebar Styles
   ============================================ */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1998;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
    backdrop-filter: blur(5px);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 320px;
    max-width: 90vw;
    height: 100%;
    background: linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%);
    border-right: 1px solid var(--color-border);
    z-index: 1999;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.sidebar.active {
    transform: translateX(0);
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #0a0a0a;
}

.sidebar-logo {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--color-white);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.sidebar-close {
    background: #1a1a1a;
    border: 1px solid var(--color-border);
    font-size: 1rem;
    color: var(--color-white);
    cursor: pointer;
    padding: 10px;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.sidebar-close:hover {
    background: var(--color-white);
    color: #000;
}

.sidebar-menu {
    padding: var(--spacing-md) 0;
}

.sidebar-menu-item {
    margin: 0;
}

.sidebar-menu-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-text-70);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.125rem;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.sidebar-menu-link:hover {
    color: var(--color-white);
    background-color: var(--color-bg-secondary);
    border-left-color: var(--color-accent);
}

.sidebar-contact {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-md);
}

.sidebar-contact-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-90);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-70);
    font-size: 0.95rem;
}

.sidebar-contact-item a {
    color: var(--color-text-70);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.sidebar-contact-icon {
    font-size: 1rem;
    margin-top: 2px;
    color: var(--color-accent);
}

/* ============================================
   Footer Styles - Premium Silver
   ============================================ */
.footer {
    background: #0a0a0a;
    color: var(--color-text-70);
    padding: 0;
    margin-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-border);
}

.footer-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 125px;
}

/* Footer Main Content */
.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    border-bottom: 1px solid var(--color-border);
}

/* Footer Left - CTA */
.footer-cta {
    padding: 60px 40px;
    border-right: 1px solid var(--color-border);
}

.footer-cta-label {
    font-size: 0.875rem;
    color: var(--color-text-50);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.footer-cta-title {
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.footer-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 25px;
    background: #fff;
    color: #000;
    border-radius: 50px;
    font-weight: bold;
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    border: none;
}

.footer-cta-btn:hover {
    background: #bdc3c7;
    box-shadow: 0 0 15px rgba(255,255,255,0.4);
}

/* Footer Right - Links Grid */
.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 60px 40px;
}

.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-column-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-50);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.footer-links-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links-link {
    color: var(--color-text-70);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.footer-links-link:hover {
    color: var(--color-accent);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 40px;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-text-50);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.footer-social-link:hover {
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    transform: translateY(-3px);
}

/* ============================================
   Main Content Area
   ============================================ */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 0;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 125px;
}

/* ============================================
   Section Styles
   ============================================ */
.section {
    padding: var(--spacing-2xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.section-label {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-50);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xs);
}

.section-title {
    font-size: 3.5rem;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    line-height: 1.2;
}

/* Cards */
.card {
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--color-accent);
}

.card-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    background: var(--color-bg-secondary);
}

.card-content {
    padding: var(--spacing-lg);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.card-text {
    font-size: 1rem;
    color: var(--color-text-70);
    line-height: 1.6;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 24px;
    font-family: 'Manrope', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: #fff;
    color: #000;
}

.btn-primary:hover {
    background: #bdc3c7;
    box-shadow: 0 0 15px rgba(255,255,255,0.4);
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
}

.btn-secondary:hover {
    background: #fff;
    color: #000;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-white);
}

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

/* Navigation Arrows */
.nav-arrows {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-arrow {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1a1a1a;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-arrow:hover {
    background: #fff;
    color: #000;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Large Desktop */
@media (max-width: 1400px) {
    .navbar,
    .header-menu,
    .footer-container,
    .container {
        padding-left: 60px;
        padding-right: 60px;
    }
    
}

/* Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
    .navbar,
    .header-menu,
    .footer-container,
    .container {
        padding-left: 30px;
        padding-right: 30px;
    }
    
    /* Hide Header Menu on Tablet */
    .header-menu {
        display: none;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
    }
    
    .footer-cta {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
    
    .footer-links-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .navbar,
    .footer-container,
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .navbar-container {
        padding: 20px;
    }
    
    /* Hide Navbar Right (Contact Info) on Mobile */
    .navbar-right {
        display: none;
    }
    
    /* Navbar Center Logo - Adjust for mobile */
    .navbar-center {
        position: static;
        transform: none;
        flex: 1;
        text-align: center;
    }
    
    .navbar-logo {
        font-size: 1.25rem;
    }
    
    /* Sidebar full width on very small screens */
    .sidebar {
        width: 100%;
        max-width: 100vw;
    }
    
    /* Footer adjustments */
    .footer-links-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-cta {
        text-align: center;
    }
    
    .footer-cta-title {
        font-size: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hamburger-btn {
        width: 40px;
        height: 40px;
        padding: 10px;
    }
    
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
    text-align: center;
}

.text-accent {
    color: var(--color-accent);
}

.text-white {
    color: var(--color-white);
}

.bg-secondary {
    background: var(--color-bg-secondary);
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.py-1 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-2 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-3 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-4 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

/* ============================================
   Back to Top Button - Premium Silver
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    background: #fff;
    border: none;
    border-radius: 50%;
    color: #000;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: #bdc3c7;
    box-shadow: 0 0 15px rgba(255,255,255,0.4);
}

.back-to-top:active {
    transform: translateY(-2px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    .back-to-top svg {
        width: 20px;
        height: 20px;
    }
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    padding: 80px 125px;
    border-bottom: 1px solid var(--color-border);
}

.contact-header {
    padding-bottom: 40px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
}

.contact-title {
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 3px;
}

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

.contact-content {
    font-size: 1rem;
    color: #888;
    line-height: 1.8;
}

.contact-content p {
    margin-bottom: 16px;
}

.contact-info-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #bdc3c7;
    cursor: pointer;
    text-decoration: underline;
    text-decoration-color: #bdc3c7;
    text-underline-offset: 4px;
    transition: all var(--transition-normal);
    position: relative;
    margin-left: 30px;
    margin-right: 30px;
}

.contact-info-item:first-of-type {
    margin-left: 30px;
}

.contact-info-item:last-child {
    margin-right: 30px;
}

.contact-info-item:hover {
    color: var(--color-white);
    text-decoration-color: var(--color-white);
}

.contact-info-item svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.contact-info-item:hover svg {
    opacity: 1;
}

.copy-notification {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.9);
    color: var(--color-white);
    padding: 20px 40px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.copy-notification.show {
    opacity: 1;
    pointer-events: auto;
}

/* Contact Form */
.contact-form-wrapper {
    width: 100%;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.contact-form-group {
    display: flex;
    flex-direction: column;
}

.contact-form-group.full-width {
    grid-column: 1 / -1;
}

.contact-form-label {
    font-size: 0.875rem;
    color: var(--color-white);
    margin-bottom: 12px;
    font-weight: 500;
}

.contact-form-input,
.contact-form-textarea {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
    color: var(--color-white);
    font-size: 1rem;
    font-family: 'Manrope', sans-serif;
    transition: border-color var(--transition-fast);
    width: 100%;
}

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

.contact-form-input::placeholder,
.contact-form-textarea::placeholder {
    color: var(--color-text-50);
    font-size: 0.875rem;
}

.contact-form-textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.6;
}

.contact-form-submit-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 10px;
}

.contact-form-submit-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-family: 'Manrope', sans-serif;
}

.contact-form-submit-btn {
    background: #fff;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.contact-form-submit-btn:hover {
    background: #bdc3c7;
    box-shadow: 0 0 15px rgba(255,255,255,0.4);
}

.contact-form-submit-btn svg {
    width: 20px;
    height: 20px;
    display: block;
}

.contact-form-submit-btn svg path {
    fill: #000;
}

.contact-form-submit {
    display: none;
}

/* Responsive Contact */
@media (max-width: 1200px) {
    .contact-section {
        padding-left: 60px;
        padding-right: 60px;
    }
    
    .contact-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .contact-section {
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .contact-title {
        font-size: 2rem;
    }
    
    .contact-body {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-form-submit-wrapper {
        justify-content: center;
    }
    
    .contact-form-submit-text {
        font-size: 0.875rem;
    }
    
    .contact-form-submit-btn {
        width: 45px;
        height: 45px;
    }
}