/* ================================================
   HIDRODU PLUMBING SERVICES - Main Stylesheet
   ================================================ */

/* ===== CSS VARIABLES ===== */
:root {
    --primary: #1a2f5a;
    --primary-light: #243d74;
    --primary-dark: #111d38;
    --accent: #4fc3f7;
    --accent-dark: #0288d1;
    --copper: #d47c3a;
    --copper-light: #e8962c;
    --white: #ffffff;
    --light: #f0f5ff;
    --light-gray: #e8eef8;
    --gray: #8899b8;
    --text: #2c3e6b;
    --text-light: #5a6d95;
    --dark: #0d1b3a;

    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto', sans-serif;

    --shadow-sm: 0 2px 10px rgba(26, 47, 90, 0.1);
    --shadow-md: 0 8px 30px rgba(26, 47, 90, 0.15);
    --shadow-lg: 0 20px 60px rgba(26, 47, 90, 0.2);
    --shadow-blue: 0 10px 40px rgba(79, 195, 247, 0.3);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 40px;

    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

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

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

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

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

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

ul {
    list-style: none;
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(79, 195, 247, 0.15), rgba(79, 195, 247, 0.05));
    color: var(--accent-dark);
    border: 1px solid rgba(79, 195, 247, 0.3);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.tag-light {
    background: rgba(255, 255, 255, 0.15);
    color: var(--accent);
    border-color: rgba(255, 255, 255, 0.3);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 16px;
}

.title-light {
    color: var(--white);
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.subtitle-light {
    color: rgba(255, 255, 255, 0.75);
}

.highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight-light {
    color: var(--accent);
    -webkit-text-fill-color: var(--accent);
}

.hidden {
    display: none !important;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(79, 195, 247, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 195, 247, 0.5);
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    transform: translateY(-2px);
}

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

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 16px;
    font-size: 1rem;
}

/* ===== HEADER / NAVBAR ===== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition-slow);
    background: rgba(13, 27, 58, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.navbar {
    padding: 8px 0;
    transition: var(--transition-slow);
}

#header.scrolled .navbar {
    background: rgba(13, 27, 58, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background: transparent;
}

#header.scrolled .logo-img {
    height: 88px;
}

.nav-logo {
    flex-shrink: 0;
    background: transparent;
    line-height: 0;
}

.logo-img {
    height: 120px;
    width: auto;
    object-fit: contain;
    background: transparent;
    transition: var(--transition);
    filter: drop-shadow(0 4px 12px rgba(79,195,247,0.3));
}

#header.scrolled .logo-img {
    height: 90px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 50px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transform: translateX(-50%);
    transition: var(--transition);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

.nav-cta {
    flex-shrink: 0;
    font-size: 0.85rem;
    padding: 10px 22px;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero .container {
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, 
            var(--primary-dark) 0%, 
            var(--primary) 50%, 
            var(--primary-light) 100%);
}

/* Animated water ripple pattern */
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(79, 195, 247, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(79, 195, 247, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(212, 124, 58, 0.08) 0%, transparent 40%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%234fc3f7' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 18, 40, 0.3);
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 100%;
    width: 100%;
    text-align: left;
    padding-right: 20px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(79, 195, 247, 0.15);
    border: 1px solid rgba(79, 195, 247, 0.3);
    color: var(--accent);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(1.8rem, 3.5vw, 3.2rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
    max-width: 600px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 650px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.65);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
}

.hero-scroll-down {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 44px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
    z-index: 2;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== SOBRE NÓS ===== */
.sobre {
    background: var(--white);
}

.sobre-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.sobre-image-wrapper {
    position: relative;
}

.sobre-image-box {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: visible;
}

.sobre-img-placeholder {
    background: transparent;
    border-radius: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 420px;
    position: relative;
}

.sobre-emblema {
    width: 400px;
    height: auto;
    object-fit: contain;
    background: transparent;
    display: block;
    animation: float 4s ease-in-out infinite;
    filter: drop-shadow(0 16px 40px rgba(26,47,90,0.4));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.sobre-badge-float {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--light-gray);
}

.sobre-badge-float i {
    font-size: 2rem;
    color: var(--copper);
}

.sobre-badge-float div {
    display: flex;
    flex-direction: column;
}

.sobre-badge-float strong {
    font-size: 0.95rem;
    color: var(--primary);
    font-weight: 700;
}

.sobre-badge-float span {
    font-size: 0.8rem;
    color: var(--text-light);
}

.sobre-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sobre-content .section-tag {
    align-self: flex-start;
    margin-bottom: 0;
}

.sobre-content .section-title {
    margin-bottom: 0;
}

.sobre-text {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 0.95rem;
}

.sobre-text strong {
    color: var(--primary);
    font-weight: 600;
}

.valores-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 8px 0;
}

.valor-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
    background: var(--light);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent);
    transition: var(--transition);
}

.valor-item:hover {
    background: linear-gradient(135deg, rgba(79, 195, 247, 0.08), var(--light));
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.valor-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.valor-item h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.valor-item p {
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.4;
}

/* ===== SERVIÇOS ===== */
.servicos {
    background: linear-gradient(180deg, var(--light) 0%, var(--white) 100%);
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 28px;
}

.servico-card {
    grid-column: span 2;
}

/* 5 cards: 4 e 5 ficam centrados na segunda linha */
@media (min-width: 1025px) {
    .servico-card:nth-child(4) {
        grid-column: 2 / 4;
    }
    .servico-card:nth-child(5) {
        grid-column: 4 / 6;
    }
}

.servico-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    border: 1px solid var(--light-gray);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.servico-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-dark), var(--accent));
    opacity: 0;
    transition: var(--transition);
}

.servico-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(79, 195, 247, 0.2);
}

.servico-card:hover::before {
    opacity: 1;
}

.servico-card-destaque {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-color: transparent;
    color: var(--white);
}

.servico-card-destaque h3 {
    color: var(--white);
}

.servico-card-destaque p {
    color: rgba(255, 255, 255, 0.8);
}

.servico-card-destaque .servico-list li {
    color: rgba(255, 255, 255, 0.9);
}

.servico-card-destaque .servico-list i {
    color: var(--accent);
}

.servico-card-destaque::before {
    opacity: 1;
    background: linear-gradient(90deg, var(--accent), var(--copper));
}

.servico-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(79, 195, 247, 0.1), rgba(2, 136, 209, 0.15));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-dark);
    font-size: 1.6rem;
    transition: var(--transition);
}

.servico-card:hover .servico-icon {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    color: var(--white);
    transform: rotate(5deg) scale(1.1);
}

.servico-card-destaque .servico-icon {
    background: rgba(255, 255, 255, 0.15);
    color: var(--accent);
}

.servico-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
}

.servico-card p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.7;
    flex-grow: 1;
}

.servico-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.servico-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.83rem;
    color: var(--text-light);
}

.servico-list i {
    color: var(--accent-dark);
    font-size: 0.75rem;
    flex-shrink: 0;
}

.servico-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-dark);
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: auto;
    padding-top: 8px;
    border-top: 1px solid var(--light-gray);
    transition: var(--transition);
}

.servico-card-destaque .servico-link {
    color: var(--accent);
    border-top-color: rgba(255, 255, 255, 0.2);
}

.servico-link:hover {
    gap: 10px;
}

.emergencia-link {
    color: var(--copper-light) !important;
}

/* ===== PORQUÊ NÓS ===== */
.porque {
    position: relative;
    overflow: hidden;
    padding: 100px 0;
}

.porque-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
}

.porque-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 10% 50%, rgba(79, 195, 247, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 90% 20%, rgba(212, 124, 58, 0.08) 0%, transparent 40%);
}

.porque .container {
    position: relative;
    z-index: 1;
}

.porque-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.porque-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 40px 28px;
    text-align: center;
    transition: var(--transition-slow);
    backdrop-filter: blur(10px);
}

.porque-card:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(79, 195, 247, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.porque-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--white);
    box-shadow: var(--shadow-blue);
    transition: var(--transition);
}

.porque-card:hover .porque-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 12px 30px rgba(79, 195, 247, 0.5);
}

.porque-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.porque-card p {
    font-size: 0.87rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

/* ===== CONTACTO ===== */
.contacto {
    background: var(--white);
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 60px;
    margin-bottom: 60px;
    align-items: start;
}

.contacto-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contacto-info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--light);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--accent);
    transition: var(--transition);
}

.info-item:hover {
    background: linear-gradient(135deg, rgba(79, 195, 247, 0.08), var(--light));
    transform: translateX(4px);
}

.info-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1rem;
    flex-shrink: 0;
}

.info-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 0.75rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.info-value {
    font-size: 0.95rem;
    color: var(--text);
    font-weight: 500;
}

a.info-value:hover {
    color: var(--accent-dark);
}

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

.social-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
}

.social-btn.whatsapp {
    background: #25D366;
    color: var(--white);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.social-btn.whatsapp:hover {
    background: #1ebe5c;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.social-btn.email {
    background: var(--light);
    color: var(--primary);
    border: 1px solid var(--light-gray);
}

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

/* ===== FORM ===== */
.contacto-form-wrapper {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--light-gray);
}

.contacto-form h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 13px 16px;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--text);
    background: var(--light);
    transition: var(--transition);
    outline: none;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(79, 195, 247, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #e74c3c;
    box-shadow: 0 0 0 4px rgba(231, 76, 60, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray);
}

.form-error {
    font-size: 0.8rem;
    color: #e74c3c;
    display: none;
}

.form-error.show {
    display: block;
}

/* Form Success */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    font-size: 4rem;
    color: #2ecc71;
    margin-bottom: 20px;
    animation: successPop 0.5s ease;
}

@keyframes successPop {
    0% { transform: scale(0); }
    70% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.form-success h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.form-success p {
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.7;
}

/* ===== MAPA ===== */
.mapa-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--light-gray);
    height: 380px;
}

.mapa-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.75);
}

.footer-top {
    padding: 80px 0 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    height: 90px;
    width: auto;
}

.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.7;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.75);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.87rem;
    color: rgba(255, 255, 255, 0.65);
    transition: var(--transition);
}

.footer-links a i {
    font-size: 0.65rem;
    color: var(--accent);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contacts {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contacts li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.87rem;
}

.footer-contacts i {
    color: var(--accent);
    font-size: 0.9rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.footer-contacts a {
    color: rgba(255, 255, 255, 0.65);
}

.footer-contacts a:hover {
    color: var(--accent);
}

.footer-bottom {
    padding: 20px 0;
}

.footer-bottom .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.45);
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.8rem;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: whatsappPulse 2.5s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.6);
    animation: none;
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--white);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--white);
    border-right: none;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
}

@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 8px 40px rgba(37, 211, 102, 0.7), 0 0 0 8px rgba(37, 211, 102, 0.1); }
}

/* ===== SCROLL TOP ===== */
.scroll-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: var(--primary);
    border: 2px solid rgba(79, 195, 247, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.85rem;
    cursor: pointer;
    z-index: 998;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

.scroll-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.scroll-top:hover {
    background: var(--accent-dark);
    border-color: var(--accent);
    transform: translateY(-3px);
}

/* ===== PARTICLES (hero) ===== */
.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: particleFloat linear infinite;
    opacity: 0.15;
}

@keyframes particleFloat {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.15; }
    90% { opacity: 0.15; }
    100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

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

/* Tablet */
@media (max-width: 1024px) {
    .sobre-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .sobre-image-wrapper {
        max-width: 500px;
        margin: 0 auto;
    }

    .servicos-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .porque-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .contacto-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .section {
        padding: 72px 0;
    }

    /* Navbar mobile */
    .hamburger {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--primary-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 40px;
        gap: 4px;
        transition: var(--transition-slow);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.4);
        z-index: 999;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1rem;
        padding: 12px 16px;
        width: 100%;
        border-radius: var(--radius-sm);
    }

    /* Hero */
    .hero {
        padding: 100px 0 60px;
        text-align: center;
    }

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

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .stat-divider {
        display: none;
    }

    /* Sobre */
    .sobre-image-box {
        max-width: 320px;
        margin: 0 auto;
    }

    .sobre-badge-float {
        right: -10px;
        bottom: -10px;
        padding: 12px 16px;
    }

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

    /* Serviços */
    .servicos-grid {
        grid-template-columns: 1fr;
    }

    /* Porquê */
    .porque-grid {
        grid-template-columns: 1fr;
    }

    /* Formulário */
    .contacto-form-wrapper {
        padding: 28px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    /* Floating buttons */
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
        font-size: 1.6rem;
    }

    .scroll-top {
        bottom: 84px;
        right: 20px;
    }
}

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

    .section-title {
        font-size: 1.6rem;
    }

    .btn-lg {
        padding: 14px 24px;
        font-size: 0.9rem;
    }

    .sobre-img-placeholder {
        padding: 40px;
        min-height: 300px;
    }

    .sobre-logo {
        max-width: 180px;
    }
}

/* ===== LOADING ANIMATION ===== */
.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-dark);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* ===== SELECTION ===== */
::selection {
    background: rgba(79, 195, 247, 0.3);
    color: var(--primary);
}