/* ============================================
   EL PINTOR DEL PACÍFICO
   Diseño creativo profesional
   ============================================ */

:root {
    --blue: #1565C0;
    --blue-dark: #0D47A1;
    --blue-deep: #0a1628;
    --blue-light: #42A5F5;
    --red: #c41e3a;
    --red-dark: #9a1830;
    --yellow: #FFC107;
    --yellow-glow: #FFD54F;
    --white: #ffffff;
    --off-white: #f5f7fa;
    --dark: #0f1729;
    --gray-800: #1e293b;
    --gray-600: #475569;
    --gray-400: #94a3b8;
    --gray-200: #e2e8f0;
    --gray-100: #f1f5f9;

    --font: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 4px 24px rgba(0,0,0,0.06);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-lg: 20px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--gray-800);
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: 0.3s var(--ease); }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

/* ============================================
   HEADER — Transparente que se funde con el hero
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.4s var(--ease);
    background: transparent;
}

.header.scrolled {
    background: rgba(13, 71, 161, 0.97);
    backdrop-filter: blur(16px);
    box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav__logo-img {
    height: 60px;
    width: auto;
    transition: 0.3s var(--ease);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav__link {
    font-weight: 500;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.85);
    letter-spacing: 0.01em;
    position: relative;
    padding: 0.25rem 0;
}

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

.nav__link:hover { color: var(--white); }
.nav__link:hover::after { width: 100%; }

.nav__link--cta {
    background: var(--yellow);
    color: var(--dark) !important;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover {
    background: var(--yellow-glow);
    transform: translateY(-1px);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 100;
}

.nav__toggle span {
    width: 22px;
    height: 2px;
    background: var(--white);
    transition: 0.3s var(--ease);
    border-radius: 2px;
}

/* ============================================
   HERO — Inmersivo con efectos de pintura
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: linear-gradient(160deg, #0a1628 0%, var(--blue-dark) 40%, var(--blue) 70%, var(--blue-light) 100%);
    padding: 7rem 2rem 4rem;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero__paint-drip {
    position: absolute;
    top: -2px;
    width: 60px;
    border-radius: 0 0 30px 30px;
    animation: drip 4s ease-in-out infinite;
}

.hero__paint-drip--1 {
    left: 8%;
    height: 120px;
    background: var(--yellow);
    opacity: 0.5;
    animation-delay: 0s;
}
.hero__paint-drip--2 {
    left: 25%;
    height: 80px;
    background: var(--red);
    opacity: 0.35;
    animation-delay: 1.2s;
    width: 45px;
}
.hero__paint-drip--3 {
    right: 15%;
    height: 100px;
    background: var(--yellow);
    opacity: 0.4;
    animation-delay: 0.6s;
    width: 50px;
}
.hero__paint-drip--4 {
    right: 30%;
    height: 60px;
    background: var(--red);
    opacity: 0.3;
    animation-delay: 2s;
    width: 35px;
}
.hero__paint-drip--5 {
    left: 50%;
    height: 90px;
    background: var(--white);
    opacity: 0.1;
    animation-delay: 3s;
    width: 55px;
}

@keyframes drip {
    0%, 100% { transform: scaleY(1); opacity: var(--drip-opacity, 0.4); }
    50% { transform: scaleY(1.3); opacity: calc(var(--drip-opacity, 0.4) * 1.2); }
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(255, 193, 7, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 30%, rgba(66, 165, 245, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(196, 30, 58, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, var(--white), transparent);
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 2;
}

.hero__badge {
    display: inline-block;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 0.5rem 1.5rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.hero__logo {
    width: 200px;
    height: auto;
    margin: 0 auto 2rem;
    filter: drop-shadow(0 10px 40px rgba(0,0,0,0.3));
}

.hero__title {
    margin-bottom: 1rem;
}

.hero__title-line {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--yellow);
    line-height: 1.1;
    text-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

.hero__title-line--accent {
    color: var(--white);
    font-style: italic;
    font-weight: 400;
}

.hero__divider {
    width: 60px;
    height: 3px;
    background: var(--red);
    margin: 1.25rem auto;
    border-radius: 3px;
}

.hero__slogan {
    font-size: clamp(0.95rem, 2vw, 1.15rem);
    font-weight: 600;
    color: rgba(255,255,255,0.95);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.hero__subtitle {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.75);
    max-width: 520px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
    font-weight: 300;
}

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

.hero__scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.hero__scroll-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.hero__scroll-wheel {
    width: 3px;
    height: 8px;
    background: rgba(255,255,255,0.7);
    border-radius: 3px;
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

/* ============================================
   BOTONES
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--ease);
    position: relative;
    overflow: hidden;
}

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

.btn--primary:hover {
    background: var(--yellow-glow);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255,193,7,0.35);
}

.btn--glass {
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.25);
    backdrop-filter: blur(8px);
}

.btn--glass:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.4);
    transform: translateY(-2px);
}

.btn--large {
    padding: 1rem 2.25rem;
    font-size: 1rem;
}

.btn--full { width: 100%; }

.btn svg {
    flex-shrink: 0;
    transition: transform 0.3s var(--ease);
}
.btn:hover svg { transform: translateX(3px); }

/* ============================================
   STATS
   ============================================ */

.stats {
    position: relative;
    z-index: 5;
    margin-top: -3rem;
    padding-bottom: 2rem;
}

.stats__grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    background: var(--white);
    padding: 2.5rem 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.stats__item {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stats__number {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--blue);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.stats__plus {
    font-size: 2rem;
    font-weight: 700;
    color: var(--yellow);
}

.stats__label {
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-top: 0.25rem;
    font-weight: 500;
}

.stats__divider {
    width: 1px;
    height: 50px;
    background: var(--gray-200);
}

/* ============================================
   SECCIÓN COMUN
   ============================================ */

.section__header {
    text-align: center;
    margin-bottom: 3.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section__tag {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 2rem;
}

.section__tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 1.25rem;
    height: 2px;
    background: var(--yellow);
    border-radius: 2px;
}

.section__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
}

.section__title em {
    color: var(--blue);
    font-style: italic;
}

.section__subtitle {
    font-size: 1.05rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin-top: 0.75rem;
}

/* ============================================
   NOSOTROS
   ============================================ */

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

.about__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about__left .section__tag { padding-left: 2rem; }

.about__accent-line {
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--yellow), var(--red));
    border-radius: 3px;
    margin: 1.5rem 0;
}

.about__text {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.about__quote {
    background: linear-gradient(135deg, rgba(21,101,192,0.06), rgba(255,193,7,0.06));
    padding: 1.5rem 1.75rem;
    border-left: 3px solid var(--blue);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    color: var(--dark);
    font-size: 1rem;
    line-height: 1.7;
    margin-top: 1.5rem;
}

.about__values {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.value-card {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--off-white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: all 0.3s var(--ease);
}

.value-card:hover {
    background: var(--white);
    box-shadow: var(--shadow);
    border-color: var(--blue);
    transform: translateX(6px);
}

.value-card__number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--blue);
    opacity: 0.2;
    line-height: 1;
    min-width: 40px;
}

.value-card:hover .value-card__number { opacity: 0.5; }

.value-card__content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.value-card__content p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.5;
}

/* ============================================
   SERVICIOS
   ============================================ */

.services {
    background: var(--off-white);
}

.services__tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
}

.services__tab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 100px;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.3s var(--ease);
}

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

.services__tab:hover {
    border-color: var(--blue);
    color: var(--blue);
}

.services__tab.active {
    background: var(--blue);
    border-color: var(--blue);
    color: var(--white);
}

.services__tab.active[data-tab="impermeabilizacion"] {
    background: var(--red);
    border-color: var(--red);
}

.services__panel {
    display: none;
}

.services__panel.active {
    display: block;
    animation: fadeIn 0.4s var(--ease);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.service-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: all 0.3s var(--ease);
}

.service-item:hover {
    box-shadow: var(--shadow);
    border-color: transparent;
    transform: translateY(-3px);
}

.service-item__icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(21,101,192,0.08), rgba(21,101,192,0.03));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    transition: all 0.3s var(--ease);
}

.service-item:hover .service-item__icon {
    background: var(--blue);
    color: var(--white);
}

.service-item__icon--red {
    background: linear-gradient(135deg, rgba(196,30,58,0.08), rgba(196,30,58,0.03));
    color: var(--red);
}

.service-item:hover .service-item__icon--red {
    background: var(--red);
    color: var(--white);
}

.service-item h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.15rem;
}

.service-item p {
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.45;
}

/* ============================================
   ALIADO SHERWIN-WILLIAMS
   ============================================ */

.partner {
    background: var(--white);
    overflow: hidden;
}

.partner__layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.partner__visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.partner__logo-wrapper {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.partner__logo-wrapper::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: linear-gradient(135deg, var(--blue), var(--red), var(--yellow));
    border-radius: calc(var(--radius-lg) + 3px);
    z-index: -1;
    opacity: 0.3;
}

.partner__logo {
    max-width: 300px;
    height: auto;
}

.partner__content .section__tag { padding-left: 2rem; }

.partner__text {
    font-size: 1.05rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
}

.partner__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.partner__feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--off-white);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark);
}

.partner__check {
    width: 24px;
    height: 24px;
    min-width: 24px;
    background: var(--blue);
    color: var(--white);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

/* ============================================
   CTA
   ============================================ */

.cta {
    position: relative;
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
    overflow: hidden;
}

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

.cta__paint-stroke {
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(255,193,7,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta__content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 0.75rem;
}

.cta__text {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 2rem;
}

/* ============================================
   CONTACTO
   ============================================ */

.contact {
    background: var(--off-white);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 2.5rem;
    align-items: start;
}

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

.contact__card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: all 0.3s var(--ease);
}

.contact__card:hover {
    box-shadow: var(--shadow);
    border-color: var(--blue);
}

.contact__card-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.contact__card h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.1rem;
}

.contact__card p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.contact__card a { color: var(--blue); }
.contact__card a:hover { color: var(--blue-dark); }

.contact__sherwin {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    text-align: center;
}

.contact__sherwin-img {
    max-width: 180px;
    margin: 0 auto;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.contact__sherwin-img:hover { opacity: 1; }

.contact__form-wrapper {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form__group {
    margin-bottom: 1.25rem;
}

.form__group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.4rem;
}

.form__group input,
.form__group textarea,
.form__group select {
    width: 100%;
    padding: 0.8rem 1rem;
    font-family: var(--font);
    font-size: 0.95rem;
    border: 1.5px solid var(--gray-200);
    border-radius: 8px;
    transition: all 0.3s var(--ease);
    background: var(--white);
    color: var(--dark);
}

.form__group input:focus,
.form__group textarea:focus,
.form__group select:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(21,101,192,0.1);
}

.form__group textarea {
    resize: vertical;
    min-height: 100px;
}

.form__group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

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

.footer {
    background: var(--dark);
    color: var(--white);
    padding: 4rem 0 0;
}

.footer__top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__logo {
    height: 80px;
    width: auto;
    margin-bottom: 0.75rem;
}

.footer__slogan {
    font-size: 0.85rem;
    color: var(--yellow);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.footer__nav h5 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.footer__nav a {
    display: block;
    color: rgba(255,255,255,0.55);
    font-size: 0.9rem;
    padding: 0.35rem 0;
}

.footer__nav a:hover { color: var(--yellow); }

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.5rem 0;
}

.footer__bottom p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

.footer__partner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer__partner span {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

.footer__sherwin {
    height: 28px;
    width: auto;
    opacity: 0.5;
    transition: opacity 0.3s;
    border-radius: 4px;
}

.footer__sherwin:hover { opacity: 0.8; }

/* ============================================
   ANIMACIONES DE SCROLL
   ============================================ */

.fade-up,
.reveal,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: all 0.7s var(--ease);
}

.fade-up { transform: translateY(30px); }
.reveal { transform: translateY(20px); }
.reveal-left { transform: translateX(-30px); }
.reveal-right { transform: translateX(30px); }

.fade-up.visible,
.reveal.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translate(0);
}

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

@media (max-width: 968px) {
    .about__layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .partner__layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }

    .partner__features {
        grid-template-columns: 1fr;
    }
    
    .partner__content .section__tag {
        padding-left: 0;
    }
    .partner__content .section__tag::before {
        display: none;
    }

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

    .footer__top {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer__logo {
        margin: 0 auto 0.75rem;
    }

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

    .stats__grid {
        flex-direction: column;
        gap: 1.5rem;
        padding: 2rem;
    }

    .stats__divider {
        width: 50px;
        height: 1px;
    }
}

@media (max-width: 768px) {
    .container { padding: 0 1.25rem; }
    .section { padding: 4rem 0; }

    .nav__menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: linear-gradient(180deg, var(--blue-dark), var(--dark));
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 0;
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s var(--ease);
    }

    .nav__menu.active {
        opacity: 1;
        visibility: visible;
    }

    .nav__menu li {
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.3s var(--ease);
    }

    .nav__menu.active li {
        opacity: 1;
        transform: translateY(0);
    }

    .nav__menu.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav__menu.active li:nth-child(2) { transition-delay: 0.15s; }
    .nav__menu.active li:nth-child(3) { transition-delay: 0.2s; }
    .nav__menu.active li:nth-child(4) { transition-delay: 0.25s; }
    .nav__menu.active li:nth-child(5) { transition-delay: 0.3s; }

    .nav__link {
        font-size: 1.5rem;
        padding: 1rem;
        display: block;
    }

    .nav__link--cta {
        margin-top: 1rem;
        padding: 0.75rem 2rem;
    }

    .nav__toggle { display: flex; }

    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .nav__toggle.active span:nth-child(2) { opacity: 0; }
    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero { padding: 6rem 1.25rem 4rem; }
    .hero__logo { width: 150px; }

    .hero__buttons {
        flex-direction: column;
        align-items: center;
    }
    .hero__buttons .btn { width: 100%; max-width: 300px; }

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

    .services__tabs {
        flex-direction: column;
        align-items: center;
    }

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

    .partner__logo-wrapper {
        padding: 1.5rem;
    }

    .partner__logo {
        max-width: 200px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .hero__title-line {
        font-size: 2.25rem;
    }

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