/* ==========================================================================
   Base Styles & Variables
   ========================================================================== */

:root {
    /* Colors */
    --color-primary: #4B4A59;
    --color-secondary: #9E9FA2;
    --color-accent: #FFFFFF;
    --color-text: #000000;
    --color-light: #F5F5F5;
    --color-dark: #222222;
    --color-divider: #D2D3D5;
    --color-gold: #D4AF37;

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-accent);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 400;
    line-height: 1.2;
}

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

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

/* Screen-reader only (accessible labels) */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Ambient Graphics (Floating Decorative)
   ========================================================================== */

.ambient-graphics {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    /* Keep behind all content */
    overflow: hidden;
}

.ambient-img {
    position: absolute;
    width: 650px;
    opacity: 0.12;
    /* Subtle watermark */
    mix-blend-mode: multiply;
    /* Blends white background into the page */
    filter: grayscale(100%) contrast(1.2);
}

.ambient-1 {
    top: -5%;
    right: -10%;
}

.ambient-2 {
    bottom: -5%;
    left: -10%;
    transform: scaleX(-1);
}

/* ==========================================================================
   Layout & Utilities
   ========================================================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.container-fluid {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section-padding {
    padding: var(--spacing-xl) 0;
}

/* Off-screen rendering optimization — skip layout/paint for hidden sections */
.expertise,
.portfolio,
.video-showcase,
.imprensa,
.philosophy,
.testimonials,
.footer {
    content-visibility: auto;
    contain-intrinsic-size: auto 800px;
}

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

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

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

.bg-dark h2,
.bg-dark h3,
.bg-dark h4 {
    color: var(--color-accent);
}

.center {
    text-align: center;
}

.section-subtitle {
    display: block;
    font-family: var(--font-body);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 2.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

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

.btn:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-divider);
    color: var(--color-primary);
}

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

.btn-full {
    width: 100%;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(210, 211, 213, 0.3);
    transition: var(--transition-fast);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

a.logo-link {
    display: flex;
    justify-content: start;
}

.logo {
    height: 40px;
    object-fit: contain;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-list a {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
}

.nav-list a:hover::after,
.nav-list a:focus-visible::after {
    width: 100%;
}

.nav-list a:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 4px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-primary);
    transition: 0.3s;
}

/* ==========================================================================
   Hero Section (Constrained & Parallax)
   ========================================================================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    padding-top: 110px;
    /* Offset for header + margin */
    padding-bottom: 20px;
    background-color: var(--color-light);
    overflow: hidden;
    /* Constrain parallax bg */
}

.h-100 {
    height: 100%;
}

.w-100 {
    width: 100%;
}

.hero-container {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 3;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.ken-burns img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: kenBurns 15s infinite alternate ease-in-out;
    transform-origin: center center;
}

@keyframes kenBurns {
    0% {
        transform: scale(1) translate(0, 0);
    }

    100% {
        transform: scale(1.15) translate(-2%, -1%);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.2) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 5;
    max-width: 600px;
    margin: 0;
    pointer-events: auto;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
}

.hero-content h1 em {
    font-style: italic;
    font-weight: 400;
}

.hero-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

/* ==========================================================================
   Social Proof
   ========================================================================== */

.social-proof {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-divider);
    background-color: var(--color-accent);
}

.logos-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.logo-item span {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-secondary);
    letter-spacing: 2px;
    text-align: center;
    text-transform: uppercase;
}

/* ==========================================================================
   The Architect
   ========================================================================== */

.architect-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.architect-img-collage {
    position: relative;
    width: 100%;
    height: 600px;
}

@media (max-width: 768px) {
    .architect-img-collage {
        height: 450px;
        margin-bottom: var(--spacing-md);
    }
}

.architect-img-collage img {
    border-radius: 10px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.parallax-img-1 {
    position: absolute;
    top: 5%;
    left: 0;
    width: 75%;
    height: auto;
    z-index: 1;
}

.parallax-img-2 {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 60%;
    height: auto;
    z-index: 2;
    border: 10px solid var(--color-light);
    /* Blends with bg to create cutout effect */
}

.architect-text h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.architect-text p {
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
}

.architect-signature {
    margin-top: var(--spacing-md);
    height: 60px;
    opacity: 0.7;
}

/* ==========================================================================
   Expertise
   ========================================================================== */

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.expertise-card {
    padding: var(--spacing-md);
    background-color: var(--color-accent);
    border: 1px solid var(--color-divider);
    border-radius: 10px;
    transition: var(--transition-fast);
}

.expertise-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
    border-color: var(--color-primary);
}

.expertise-card .icon {
    width: 40px;
    height: 40px;
    margin-bottom: var(--spacing-sm);
}

.expertise-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-body);
    font-weight: 500;
}

.expertise-card p {
    font-size: 0.9rem;
    color: #555;
}

/* ==========================================================================
   Portfolio (Swiper Integration)
   ========================================================================== */

/* Portfolio Filters */
.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--color-secondary);
    color: var(--color-text);
    padding: 8px 24px;
    border-radius: 30px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-light);
    border-color: var(--color-primary);
}

/* Portfolio Grid & Items */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 3/4;
    background: #e0e0e0;
    width: 100%;
    min-width: 0;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.5s ease;
    transform: translateZ(0);
    opacity: 0.6;
}

.portfolio-item img.loaded {
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-info {
    color: var(--color-light);
    transform: translateY(20px);
    transition: transform 0.4s ease;
    width: 100%;
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
}

.portfolio-info h3 {
    color: var(--color-accent);
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.portfolio-info p {
    color: rgba(255, 255, 255, 0.8);
    font-family: var(--font-body);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.lightbox-modal.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
    z-index: 10000;
    line-height: 1;
    transition: transform 0.3s ease;
}

.lightbox-close:hover {
    transform: scale(1.1);
}

.lightbox-content {
    width: 90%;
    height: 80%;
    max-width: 1200px;
}

.lightbox-slider {
    width: 100%;
    height: 100%;
}

.lightbox-slider .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-slider img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 5px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-slider .swiper-button-next,
.lightbox-slider .swiper-button-prev {
    color: #fff;
}

.lightbox-slider .swiper-pagination-bullet {
    background: #fff;
}

/* ==========================================================================
   Imprensa / Midia
   ========================================================================== */

.masonry-grid {
    column-count: 3;
    column-gap: var(--spacing-md);
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: var(--spacing-md);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.masonry-item img {
    width: 100%;
    display: block;
    transition: var(--transition-slow);
}

.masonry-item:hover img {
    transform: scale(1.05);
}

@media (max-width: 992px) {
    .masonry-grid {
        column-count: 2;
    }
}

@media (max-width: 576px) {
    .masonry-grid {
        column-count: 1;
    }
}

/* ==========================================================================
   Video Showcase
   ========================================================================== */

.video-showcase {
    background-color: var(--color-accent);
}

.video-wrapper {
    position: relative;
    max-width: 960px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.video-wrapper video {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 12px;
    background: #000;
}

/* ==========================================================================
   Philosophy
   ========================================================================== */

.philosophy {
    background-color: var(--color-light);
    text-align: center;
}

.philosophy blockquote {
    max-width: 800px;
    margin: 0 auto;
}

.philosophy p {
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 2rem;
    color: var(--color-primary);
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
}

.philosophy cite {
    font-family: var(--font-body);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-style: normal;
    color: var(--color-secondary);
}

/* ==========================================================================
   Testimonials
   ========================================================================== */

.stars {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-bottom: var(--spacing-sm);
}

.stars svg {
    width: 20px;
    height: 20px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.testimonial-card {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-light);
}

.testimonial-card .quote {
    font-style: italic;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.client-info strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-primary);
}

.client-info span {
    font-size: 0.875rem;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==========================================================================
   Footer & Contact
   ========================================================================== */

.footer {
    padding-top: var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-form-wrapper h2 {
    margin-bottom: var(--spacing-xs);
}

.footer-form-wrapper p {
    margin-bottom: var(--spacing-md);
    color: #AAA;
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-accent);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group select option {
    background: var(--color-dark);
    color: var(--color-accent);
}

.footer-info {
    padding-left: var(--spacing-lg);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    height: 50px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.8;
}

.info-block {
    margin-bottom: var(--spacing-md);
}

.info-block h4 {
    font-family: var(--font-body);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xs);
    color: var(--color-secondary);
}

.info-block p {
    color: #CCC;
}

.highlight-text {
    color: var(--color-gold);
    font-weight: 500;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--color-accent);
}

.social-links a:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

.social-links a:hover {
    background: var(--color-accent);
    color: var(--color-dark);
}

.social-links svg {
    width: 18px;
    height: 18px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) 0;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-secondary);
}

/* ==========================================================================
   CTA Contact Modal
   ========================================================================== */

.cta-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    overflow-x: hidden;
}

.cta-modal.active {
    opacity: 1;
    pointer-events: all;
}

.cta-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
}

.cta-modal-container {
    position: relative;
    background: var(--color-accent);
    border-radius: 16px;
    padding: 2.5rem;
    max-width: 520px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
    transform: translateY(30px) scale(0.95);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.cta-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-light);
    border: none;
    border-radius: 50%;
    color: var(--color-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1;
}

.cta-modal-close:hover {
    background: var(--color-primary);
    color: var(--color-accent);
}

.cta-modal-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.cta-modal-header h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.cta-modal-header p {
    color: var(--color-secondary);
    font-size: 0.9rem;
}

/* Form Fields */
.cta-form-group {
    margin-bottom: 1.25rem;
}

.cta-form-group label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-primary);
    margin-bottom: 6px;
    font-weight: 600;
}

.cta-form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--color-divider);
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--color-accent);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.cta-form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(75, 74, 89, 0.08);
}

.cta-form-group input::placeholder {
    color: #bbb;
    font-weight: 300;
}

.cta-form-group input.error {
    border-color: #e74c3c;
}

.cta-field-error {
    display: block;
    font-size: 0.75rem;
    color: #e74c3c;
    margin-top: 4px;
    min-height: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cta-field-error.visible {
    opacity: 1;
}

/* Service Type Cards */
.cta-service-options {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.75rem;
    margin-top: 0.25rem;
}

.cta-service-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0.5rem;
    border: 1.5px solid var(--color-divider);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    background: var(--color-accent);
}

.cta-service-card:hover {
    border-color: var(--color-secondary);
    background: var(--color-light);
}

.cta-service-card.active {
    border-color: var(--color-gold);
    background: rgba(212, 175, 55, 0.05);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}

.cta-service-card svg {
    width: 28px;
    height: 28px;
    color: var(--color-secondary);
    transition: color 0.3s ease;
}

.cta-service-card.active svg {
    color: var(--color-gold);
}

.cta-service-card span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary);
    line-height: 1.2;
}

.cta-service-card.active span {
    color: var(--color-gold);
}

/* Submit Button */
.cta-modal-form .btn-full {
    margin-top: 0.5rem;
    border-radius: 10px;
    padding: 1rem;
    font-size: 0.9rem;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.cta-modal-form .btn-full:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.spin {
    animation: spin 0.8s linear infinite;
}

/* ==========================================================================
   Success Modal
   ========================================================================== */

.cta-success-container {
    max-width: 420px;
    text-align: center;
}

.cta-success-content {
    padding: 1rem 0;
}

.cta-success-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-success-icon svg {
    width: 36px;
    height: 36px;
}

.cta-success-content h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.cta-success-content p {
    color: var(--color-secondary);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

#cta-success-btn {
    border-radius: 10px;
    padding: 0.875rem 2.5rem;
    font-size: 0.85rem;
    letter-spacing: 2px;
}

/* Responsive */
@media (max-width: 576px) {
    .cta-modal-container {
        padding: 1.75rem 1.25rem;
    }

    .cta-modal-header h2 {
        font-size: 1.5rem;
    }

    .cta-service-options {
        grid-template-columns: 1fr;
    }

    .cta-service-card {
        flex-direction: row;
        padding: 0.75rem 1rem;
    }

    .cta-service-card svg {
        width: 22px;
        height: 22px;
        flex-shrink: 0;
    }

    .cta-success-content h2 {
        font-size: 1.35rem;
    }
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* ==========================================================================
   Animations & Responsive
   ========================================================================== */

.is-visible {
    opacity: 1;
    transform: translate(0);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

.delay-4 {
    transition-delay: 0.4s;
}

/* Responsive Design */
@media (max-width: 992px) {
    .architect-grid {
        grid-template-columns: 1fr;
    }

    .architect-img {
        max-width: 500px;
        margin: 0 auto;
    }

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

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

    .footer-info {
        padding-left: 0;
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 90px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 90px);
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        justify-content: center;
        transition: 0.3s;
    }

    .nav.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

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

    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

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

    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-overlay {
        background: linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.6) 100%);
    }

    .philosophy p {
        font-size: 1.5rem;
    }
}