/* ========== CSS RESET & VARIABLES ========== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Palette */
    --primary-50: #e8f5fe;
    --primary-100: #b8e2fc;
    --primary-200: #88cffa;
    --primary-300: #58bcf8;
    --primary-400: #28a9f6;
    --primary-500: #0d8de0;
    --primary-600: #0a6db0;
    --primary-700: #074d80;
    --primary-800: #042e50;
    --primary-900: #011020;

    /* Accent */
    --accent-400: #f59e0b;
    --accent-500: #d97706;
    --accent-600: #b45309;

    /* Emerald for trust signals */
    --emerald-400: #34d399;
    --emerald-500: #10b981;
    --emerald-600: #059669;

    /* Neutrals */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

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

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-800);
    background: var(--gray-50);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
}

h1,
h2,
h3,
h4 {
    font-family: 'Playfair Display', serif;
    line-height: 1.2;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== NAVBAR ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
    padding: 10px 0;
}

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

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logo {
    height: 44px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    padding: 4px 0;
    letter-spacing: 0.3px;
}

.navbar.scrolled .nav-links a {
    color: var(--gray-700);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-400);
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white !important;
    padding: 10px 24px !important;
    border-radius: 50px;
    font-weight: 600 !important;
    font-size: 14px;
    box-shadow: 0 4px 15px rgba(13, 141, 224, 0.3);
    transition: all 0.3s ease !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(13, 141, 224, 0.4);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    margin: 5px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.navbar.scrolled .mobile-menu-btn span {
    background: var(--gray-800);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 24px;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        box-shadow: var(--shadow-lg);
        gap: 20px;
        z-index: 100;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li a {
        color: var(--gray-700);
        display: block;
        padding: 10px 0;
    }

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

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

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

/* ========== FOOTER ========== */
.footer {
    background: var(--gray-900);
    padding: 80px 0 0;
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-about p {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 24px;
    margin-top: 15px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    font-size: 18px;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary-500);
    color: white;
}

.footer-col h4 {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 24px;
    color: white;
}

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

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

.footer-col ul li a {
    font-size: 14px;
    color: var(--gray-400);
}

.footer-col ul li a:hover {
    color: var(--primary-400);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-contact-item .material-icons-outlined {
    font-size: 20px;
    color: var(--primary-400);
    margin-top: 2px;
}

.footer-contact-item .contact-text {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--gray-500);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 13px;
    color: var(--gray-500);
}

.footer-bottom-links a:hover {
    color: var(--primary-400);
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    .footer-bottom-links {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
}

/* ========== WHATSAPP FLOAT ========== */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25D366;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    animation: float 3s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
    fill: white;
}

/* ========== MODAL POPUP ========== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 16px;
}

@media (max-width: 480px) {
    .modal-overlay {
        padding: 12px;
    }
}

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

.modal-container {
    background: white;
    width: 92%;
    max-width: 500px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    max-height: 90vh;
    margin: 20px auto;
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 32px 32px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    font-size: 28px;
    color: var(--gray-900);
    margin: 0;
}

.modal-close {
    background: var(--gray-100);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--gray-600);
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-900);
    transform: rotate(90deg);
}

.modal-body {
    padding: 0 32px 40px;
}

@media (max-width: 480px) {
    .modal-header { padding: 24px 20px 12px; }
    .modal-header h2 { font-size: 24px; }
    .modal-body { padding: 0 20px 32px; }
}

.modal-body p {
    font-size: 15px;
    color: var(--gray-500);
    margin-bottom: 24px;
}

.quote-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-200);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: all 0.3s ease;
    outline: none;
    background: var(--gray-50);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-400);
    background: white;
    box-shadow: 0 0 0 4px var(--primary-50);
}

.btn-modal-submit {
    width: 100%;
    justify-content: center;
    margin-top: 10px;
    padding: 18px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--accent-400), var(--accent-500));
    color: white;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 25px rgba(245, 158, 11, 0.35);
    transition: all 0.3s ease;
}

.btn-modal-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(245, 158, 11, 0.45);
}

/* Global button utility if not defined elsewhere */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--accent-400), var(--accent-500));
    color: white;
    padding: 16px 36px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 25px rgba(245, 158, 11, 0.35);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(245, 158, 11, 0.45);
}