/* ================================
   ROOT VARIABLES & RESET
   ================================ */

:root {
    /* Primary Teal/Green Palette */
    --primary-color: #0D9488;
    --primary-dark: #0F766E;
    --primary-light: #14B8A6;
    --primary-lighter: #5EEAD4;

    /* Secondary & Neutral */
    --secondary-color: #0F172A;
    --accent-color: #FFFFFF;
    --accent-2: #10B981;

    /* Backgrounds */
    --bg-light: #F0FDFA;
    --bg-white: #FFFFFF;
    --bg-dark: #0F172A;
    --bg-dark-lighter: #1E293B;

    /* Text Colors */
    --text-dark: #0F172A;
    --text-light: #64748B;
    --text-lighter: #94A3B8;

    /* Shadows with teal tint */
    --shadow-sm: 0 2px 4px rgba(13, 148, 136, 0.08);
    --shadow-md: 0 4px 6px rgba(13, 148, 136, 0.1);
    --shadow-lg: 0 10px 30px rgba(13, 148, 136, 0.15);
    --shadow-xl: 0 20px 40px rgba(13, 148, 136, 0.2);

    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--accent-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    letter-spacing: -0.03em;
}

h2 {
    letter-spacing: -0.025em;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* ================================
   UTILITIES
   ================================ */

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

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

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

.text-light {
    color: var(--text-lighter);
}

/* ================================
   NAVIGATION
   ================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0;
    transition: var(--transition);
    background-color: transparent;
}

.navbar.scrolled {
    background-color: var(--secondary-color);
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-rts {
    color: var(--primary-color);
}

.logo-text {
    color: var(--accent-color);
    margin-left: 0.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--accent-color);
    font-weight: 600;
    transition: var(--transition);
    text-transform: capitalize;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--accent-color);
    margin: 3px 0;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--secondary-color);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem;
    z-index: 999;
}

.mobile-menu.active {
    display: block;
}

.mobile-link {
    display: block;
    padding: 1rem;
    color: var(--accent-color);
    text-transform: capitalize;
    transition: var(--transition);
}

.mobile-link:hover {
    color: var(--primary-color);
}

/* ================================
   DROPDOWN NAVIGATION
   ================================ */

.nav-item {
    position: relative;
}

.nav-item-dropdown {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
}

.nav-item-dropdown svg {
    width: 16px;
    height: 16px;
    transition: var(--transition);
}

.nav-item:hover .nav-item-dropdown svg {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    margin-top: 0.5rem;
    border: 1px solid rgba(13, 148, 136, 0.1);
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    margin-top: 0;
}

.dropdown-link {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

.dropdown-link:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.dropdown-link svg {
    width: 18px;
    height: 18px;
    margin-right: 0.5rem;
    vertical-align: middle;
}

/* Mobile dropdown */
.mobile-dropdown {
    display: none;
    flex-direction: column;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin: 0.5rem 1rem;
    overflow: hidden;
}

.mobile-dropdown.active {
    display: flex;
}

.mobile-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    color: var(--accent-color);
    text-transform: capitalize;
    transition: var(--transition);
    cursor: pointer;
}

.mobile-dropdown-toggle:hover {
    color: var(--primary-color);
}

.mobile-dropdown-toggle svg {
    width: 20px;
    height: 20px;
    transition: var(--transition);
}

.mobile-dropdown-toggle.active svg {
    transform: rotate(180deg);
}

.mobile-dropdown-link {
    display: block;
    padding: 0.75rem 1rem 0.75rem 2rem;
    color: var(--text-lighter);
    transition: var(--transition);
    font-size: 0.95rem;
}

.mobile-dropdown-link:hover {
    color: var(--primary-color);
}

/* ================================
   BUTTONS
   ================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--accent-color);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--accent-color);
}

.btn-whatsapp:hover {
    background-color: #20ba5a;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* ================================
   FLASH OFFERS BANNER
   ================================ */

.flash-offers-banner {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    z-index: 999;
    padding: 0.75rem 0;
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
    animation: flashBanner 2s ease-in-out infinite;
}

@keyframes flashBanner {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(13, 148, 136, 0.6);
    }
}

.flash-offers-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.flash-icon {
    background-color: rgba(255, 255, 255, 0.2);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.flash-icon svg {
    color: var(--accent-color);
    width: 24px;
    height: 24px;
}

.flash-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.flash-title {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
}

.flash-subtitle {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.875rem;
}

.btn-flash {
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 0.625rem 1.5rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.875rem;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-flash:hover {
    background-color: var(--secondary-color);
    color: var(--accent-color);
    transform: scale(1.05);
}

/* ================================
   HERO SECTION
   ================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #134E4A 100%);
    padding-top: 120px;
}

.hero-background {
    position: absolute;
    inset: 0;
    opacity: 0.1;
    background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNjAiIGhlaWdodD0iNjAiIHZpZXdCb3g9IjAgMCA2MCA2MCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48ZyBmaWxsPSJub25lIiBmaWxsLXJ1bGU9ImV2ZW5vZGQiPjxnIGZpbGw9IiNmZmZmZmYiIGZpbGwtb3BhY2l0eT0iMC4xIj48cGF0aCBkPSJNMzYgMzRjMC0yLjIxLTEuNzktNC00LTRzLTQgMS43OS00IDQgMS43OSA0IDQgNCA0LTEuNzkgNC00em0wLTEwYzAtMi4yMS0xLjc5LTQtNC00cy00IDEuNzktNCA0IDEuNzkgNCA0IDQgNC0xLjc5IDQtNHoiLz48L2c+PC9nPjwvc3ZnPg==');
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #CCCCCC;
    max-width: 800px;
    margin: 0 auto 2rem;
}

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

/* ================================
   SECTIONS
   ================================ */

section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
}

/* ================================
   ABOUT SECTION
   ================================ */

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background-color: #CCFBF1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.feature-icon svg {
    color: var(--primary-color);
    width: 32px;
    height: 32px;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feature-description {
    color: var(--text-light);
}

/* ================================
   SERVICES SECTION
   ================================ */

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--accent-color);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    margin-bottom: 1rem;
}

.service-icon svg {
    color: var(--primary-color);
    width: 32px;
    height: 32px;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.service-description {
    color: var(--text-light);
}

/* ================================
   FLASH OFFERS SECTION
   ================================ */

.flash-offers-section {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    position: relative;
    overflow: hidden;
}

.flash-offers-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(13, 148, 136, 0.1) 0%, transparent 50%),
                      radial-gradient(circle at 80% 80%, rgba(13, 148, 136, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.flash-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--accent-color);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(13, 148, 136, 0.4);
}

.flash-badge svg {
    width: 16px;
    height: 16px;
}

.flash-offers-section .section-title {
    color: var(--accent-color);
}

.flash-offers-section .section-description {
    color: #CCCCCC;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.timer-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: rgba(13, 148, 136, 0.1);
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    min-width: 80px;
}

.timer-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Poppins', sans-serif;
    line-height: 1;
}

.timer-label {
    font-size: 0.75rem;
    color: #CCCCCC;
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.flash-offers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
    z-index: 1;
}

.flash-offer-card {
    background-color: var(--accent-color);
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 2px solid transparent;
    overflow: hidden;
}

.flash-offer-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(13, 148, 136, 0.1), transparent);
    transform: rotate(45deg);
    transition: var(--transition);
    opacity: 0;
}

.flash-offer-card:hover::before {
    opacity: 1;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.flash-offer-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(13, 148, 136, 0.3);
    border-color: var(--primary-color);
}

.flash-offer-card.featured {
    border: 3px solid var(--primary-color);
    background: linear-gradient(135deg, #F0FDFA 0%, #FFFFFF 100%);
}

.offer-ribbon {
    position: absolute;
    top: 20px;
    right: -35px;
    background-color: #e74c3c;
    color: var(--accent-color);
    padding: 0.5rem 3rem;
    font-weight: 700;
    font-size: 0.875rem;
    transform: rotate(45deg);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

.featured-ribbon {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
}

.offer-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--accent-color);
    padding: 0.375rem 1rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: 0 2px 8px rgba(13, 148, 136, 0.4);
}

.offer-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #CCFBF1 0%, #99F6E4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2);
}

.offer-icon svg {
    color: var(--primary-color);
    width: 32px;
    height: 32px;
}

.offer-title {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.offer-price {
    text-align: center;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.price-old {
    font-size: 1.25rem;
    color: var(--text-light);
    text-decoration: line-through;
}

.price-new {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Poppins', sans-serif;
}

.offer-features {
    list-style: none;
    margin-bottom: 2rem;
    padding: 0;
}

.offer-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--text-dark);
    border-bottom: 1px solid #F0F0F0;
}

.offer-features li:last-child {
    border-bottom: none;
}

.offer-features svg {
    color: #27ae60;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-offer {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--accent-color);
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
    border: none;
}

.btn-offer:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
}

.btn-offer-featured {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    box-shadow: 0 4px 12px rgba(39, 174, 96, 0.3);
}

.btn-offer-featured:hover {
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.4);
}

.offer-validity {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.offer-cta {
    margin-top: 4rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(13, 148, 136, 0.3);
    position: relative;
    z-index: 1;
}

.cta-content h3 {
    color: var(--accent-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.cta-content .btn-primary {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

.cta-content .btn-primary:hover {
    background-color: var(--secondary-color);
    color: var(--accent-color);
}

/* ================================
   PRODUCT SECTION
   ================================ */

.product {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.product-card {
    background-color: var(--accent-color);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 4px solid #5EEAD4;
}

.product-badge {
    display: inline-block;
    background-color: #CCFBF1;
    color: #115E59;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.product-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.product-description {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.product-offer {
    background-color: #F0FDFA;
    border: 2px solid #99F6E4;
    border-radius: 12px;
    padding: 1.5rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.offer-title {
    color: #115E59;
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.offer-description {
    color: var(--text-dark);
}

.product-tagline {
    margin-top: 1.5rem;
    color: var(--text-light);
    font-style: italic;
    font-size: 0.875rem;
}

/* ================================
   TESTIMONIALS SECTION
   ================================ */

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--accent-color);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.quote-mark {
    font-size: 3rem;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.testimonial-author {
    border-top: 1px solid #E5E5E5;
    padding-top: 1rem;
}

.author-name {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.author-position {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ================================
   CONTACT SECTION
   ================================ */

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

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info,
.contact-form-container {
    background-color: #1E293B;
    padding: 2.5rem;
    border-radius: 16px;
}

.contact-heading {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.contact-details {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #CCCCCC;
    margin-bottom: 1rem;
}

.contact-item svg {
    color: var(--primary-color);
    width: 20px;
    height: 20px;
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-input {
    padding: 1rem;
    border-radius: 10px;
    border: none;
    background-color: #334155;
    color: var(--accent-color);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-input::placeholder {
    color: #999999;
}

.form-input:focus {
    outline: 2px solid var(--primary-color);
}

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

/* ================================
   FOOTER
   ================================ */

.footer {
    background-color: #000000;
    color: var(--accent-color);
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-info p {
    color: #999999;
}

.footer-social {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    color: #999999;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--primary-color);
}

.social-link svg {
    width: 24px;
    height: 24px;
}

.footer-tagline {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid #333333;
}

.footer-tagline p {
    color: #999999;
    font-size: 0.875rem;
}

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

/* Tablet */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .logo-text {
        display: none;
    }

    .flash-offers-content {
        justify-content: center;
    }

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

    .countdown-timer {
        gap: 1rem;
        flex-wrap: wrap;
    }

    .timer-item {
        min-width: 70px;
        padding: 0.75rem 1rem;
    }

    .timer-value {
        font-size: 1.5rem;
    }

    .flash-offers-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

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

    .services-grid,
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

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

/* Mobile */
@media (max-width: 640px) {
    .flash-offers-banner {
        padding: 0.5rem 0;
    }

    .flash-offers-content {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }

    .flash-icon {
        width: 35px;
        height: 35px;
    }

    .flash-icon svg {
        width: 20px;
        height: 20px;
    }

    .flash-title {
        font-size: 0.875rem;
    }

    .flash-subtitle {
        font-size: 0.75rem;
    }

    .btn-flash {
        padding: 0.5rem 1.25rem;
        font-size: 0.8rem;
    }

    .countdown-timer {
        gap: 0.5rem;
    }

    .timer-item {
        min-width: 60px;
        padding: 0.5rem 0.75rem;
    }

    .timer-value {
        font-size: 1.25rem;
    }

    .timer-label {
        font-size: 0.65rem;
    }

    .flash-offers-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .offer-cta {
        padding: 2rem 1.5rem;
    }

    .cta-content h3 {
        font-size: 1.5rem;
    }

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

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

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

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

    .btn {
        width: 100%;
        justify-content: center;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-description {
        font-size: 1rem;
    }

    .product-card {
        padding: 2rem 1.5rem;
    }

    .product-title {
        font-size: 1.875rem;
    }

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

    .contact-info,
    .contact-form-container {
        padding: 1.5rem;
    }
}

/* Extra Small Devices */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .service-card,
    .feature-card,
    .testimonial-card {
        padding: 1.5rem;
    }
}

/* ================================
   ANIMATIONS
   ================================ */

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

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ================================
   UTILITY CLASSES
   ================================ */

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* ================================
   CALLBACK MODAL
   ================================ */

.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-content {
    background-color: var(--accent-color);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid #E5E5E5;
}

.modal-header h3 {
    color: var(--text-dark);
    font-size: 1.75rem;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    color: var(--text-light);
}

.modal-close:hover {
    background-color: #F5F5F5;
    color: var(--text-dark);
}

.modal-close svg {
    width: 24px;
    height: 24px;
}

.callback-form {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.callback-form .form-input {
    padding: 0.875rem 1rem;
    border-radius: 8px;
    border: 2px solid #E5E5E5;
    background-color: var(--accent-color);
    color: var(--text-dark);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.callback-form .form-input::placeholder {
    color: #999999;
}

.callback-form .form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.callback-form select.form-input {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    padding-right: 3rem;
}

.callback-form textarea.form-input {
    resize: vertical;
    min-height: 80px;
    max-height: 200px;
}

.callback-form .btn-primary {
    margin-top: 0.5rem;
    justify-content: center;
}

.callback-form .btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Modal Responsive */
@media (max-width: 640px) {
    .modal {
        padding: 0.5rem;
    }

    .modal-content {
        max-height: 95vh;
    }

    .modal-header {
        padding: 1.5rem 1.5rem 1rem;
    }

    .modal-header h3 {
        font-size: 1.5rem;
    }

    .callback-form {
        padding: 1.5rem;
        gap: 1rem;
    }

    .form-group label {
        font-size: 0.9rem;
    }
}